Kate Walsh looks happy as she and a gal pal take Kate‘s two adorable pet pooches, Lucy and Rosie, out for a walk on Saturday (May 26) in Los Feliz, Calif.

The 44-year-old star of Private Practice was spotted out earlier in the week walking with another friend and bonding with Rosie.

PHOTOS: Check out the latest pics of Kate Walsh

This holiday weekend, Kate is headed to a high school reunion with some of her friends – “HS Gal pal reunion in San Diego!” she tweeted.

Cynthia Nixon married her longtime girlfriend Christine Marinoni in New York on Sunday (May 27).

The 46-year-old Sex In The City actress, who wore a Carolina Herrera dress, tied the knot with her 45-year-old education activist girlfriend after being together for eight years.

PHOTOS: Check out the pics of Cynthia Nixon and Christine Marinoni throughout the years

“On May 27, 2012, Cynthia Nixon and her girlfriend, Christine Marinoni, were legally married in the state of New York,” her rep told People.

The couple have a son together, Max, and two children from Cynthia‘s previous relationship.

Congrats to the happy couple!

Jennifer Garner is all smiles as she heads to a meeting at her daughter’s school on Friday (May 25) in Santa Monica, Calif.

The 40-year-old actress was also spotted picking up her adorable girls Violet and Seraphina from a beach club on Sunday.

PHOTOS: Check out the latest pics of Jennifer Garner

Jen‘s short film project, Serena, premiered on the newly launched Wigs YouTube channel last week. Check out the whole movie if you haven’t seen it yet!

10+ pictures inside of Jennifer Garner picking up Violet and Seraphina…

Ashley Tisdale keeps cool with an iced coffee drink as she and Scott Speer leave the Coffee Bean on Sunday (May 27) in Los Angeles.

The 26-year-old entertainer and her boyfriend reportedly headed to a Memorial Day party after getting their caffeine fix.

PHOTOS: Check out the latest pics of Ashley Tisdale

Ashley recently proclaimed her love for One Direction. “Honestly One Direction‘s ‘One Thing’ is taking me back to teenage days listening to Backstreet Boys. I LOVE this song,” she tweeted.

10+ pictures inside of Ashley Tisdale and Scott Speer grabbing some coffee…

Ashley Greene smiles and waves for the camera as she arrives at LAX Airport on Saturday (May 26) in Los Angeles.

The 25-year-old actress spent some time with her family in Florida over the weekend.

PHOTOS: Check out the latest pics of Ashley Greene

Ashley posted a picture to her Twitter account, saying, “So this is what me and my friend did yesterday in Florida… Video to come :)”

A trailer was recently released for The Apparition, Ashley‘s upcoming movie. Check it out if you haven’t seen it yet!

10+ pictures inside of Ashley Greene landing at LAX…

Jake Gyllenhaal channels his inner James Dean as he works on a scene for his upcoming film An Enemy on Sunday (May 27) in Toronto, Canada.

The 31-year-old actor carried a motorcycle helmet as he made his way around the set.

PHOTOS: Check out the latest pics of Jake Gyllenhaal

An Enemy isn’t Jake‘s only upcoming project – he also has a mystery flick coming out called End of Watch. The movie, which also stars Frank Grillo (Prison Break), Anna Kendrick, and America Ferrera, is set to hit theaters September 28.

Nina Dobrev is white hot as she steps out for a little shopping on Sunday afternoon (May 27) in Paris, France.

The 23-year-old Vampire Diaries actress was greeted by tons of fans.

PHOTOS: Check out the latest pics of Nina Dobrev

Earlier in the weekend, Nina was spotted out on a romantic stroll with boyfriend Ian Somerhalder!

Nina‘s upcoming movie, The Perks of Being a Wallflower, which also stars Emma Watson and Logan Lerman, premieres September 14. Don’t miss it!

10+ pictures inside of Nina Dobrev doing some shopping in Paris…

Madonna works on her choreography with a few of her backup dancers at Ramat Gan Stadium on Sunday (May 27) in Tel Aviv, Israel.

The 53-year-old entertainer practiced her dance moves for her upcoming MDNA World Tour, which kicks off in Tel Aviv on Thursday (May 31).

PHOTOS: Check out the latest pics of Madonna

Madonna‘s show will be hitting the USA starting Tuesday, August 28!

Over the weekend, Madonna‘s adorable kids Rocco, David, and Mercy were spotted out at the beach! She and boyfriend Brahim Zaibat watched over the kids from the balcony.

Halle Berry and Olivier Martinez smile as they walk down the beach together on Sunday (May 27) in Malibu, Calif.

The 45-year-old actress and her 46-year-old French fiance held hands during their romantic stroll.

PHOTOS: Check out the latest pics of Halle Berry

It was recently announced that Halle‘s upcoming sci-fi flick Cloud Atlas will be hitting theaters December 6.

Last week, Halle attended the Revlon Colorstay Launch – she’s featured in the beauty brand’s latest ad campaign!

10+ pictures inside of Halle Berry and Olivier Martinez sharing a romantic stroll together…

Eva Mendes keeps it cute and casual as she steps out for coffee on Sunday (May 27) in Studio City, Calif.

The 38-year-old actress stopped by her local Starbucks and also picked up some snacks at 7-11 while she was out.

PHOTOS: Check out the latest pics of Eva Mendes

Eva reportedly headed back to boyfriend Ryan Gosling‘s house after getting her caffeine fix.

Holy Motors, Eva‘s new movie, was screened at the 2012 Cannes Film Festival and is set to be released later this year.

10+ pictures inside of Eva Mendes picking up some coffee…

Matthew McConaughey and Camila Alves cap off the night in style at the 2012 Cannes Film Festival on Saturday (May 26) in Cannes, France.

The 42-year-old actor and his fiance attended the after-party for his new movie, Mud.

PHOTOS: Check out the latest pics of Matthew McConaughey

Matthew‘s co-star Reese Witherspoon and her hubby Jim Toth also attended the soiree.

Mud is a romantic drama, directed by Jeff Nichols, and tells the story of a fugitive (McConaughey) who is helped by a pair of teenaged boys, so he can reunite with his soul mate Juniper (Witherspoon).

15+ pictures inside of Matthew McConaughey and Camila Alves in Cannes…

Lana Del Rey keeps it super cute and casual as she meets up with Aerosmith‘s Steven Tyler on Sunday (May 27) in West Hollywood, Calif.

The 25-year-old “Blue Jeans” singer and the 64-year-old American Idol judge grabbed a bite for lunch at Pink Taco.

PHOTOS: Check out the latest pics of Lana Del Rey

After lunch, the musical duo went out to take a look at Steven‘s new car. Lana even knelt down to look underneath Steven‘s sweet ride.

10+ pictures inside of Lana Del Rey and Steven Tyler checking out Steven‘s car…

Jennifer Lopez and ex hubby Marc Anthony share an intimate moment onstage during their show Q Viva held at the event center inside the Mandalay Resort and Casino on Saturday (May 26) in Las Vegas.

The Sin City spectacular is a follow-up to the former couple’s TV talent competition show, Q'Viva! The Chosen, which set out to find the best Latin-flavored talent.

PHOTOS: Check out the latest pics of Jennifer Lopez

During the live concert, both Jen and Marc decided to perform. Check out the video below of them telling the cast that they’re going to be part of the show’s debut.

FYI: Jen is wearing a Zuhair Murad dress and Louboutin shoes.

20+ pictures inside of Jennifer Lopez and Marc Anthony performing in Q Viva…

Beyonce works the crowd on Saturday night (May 26) at Ovation Hall at the Revel Resort & Casino in Atlantic City, New Jersey.

The 30-year-old entertainer showed the crowd that hubby Jay-Z liked it – so he put a ring on it!

PHOTOS: Check out the latest pics of Beyonce

Also in attendance at the concert was The First Lady, who brought her daughters to Saturday night’s performance! People magazine reports that Michelle Obama and her two daughters Sasha and Malia were all in attendance for Bey‘s second show since the birth of baby Blue Ivy.

Zac Efron grabs his camera and starts taking pictures on Sunday (May 27) at the Hotel du Cap Eden Rock in Cap d’Antibes, France.

The 24-year-old actor’s film, The Paperboy, premiered at the 2012 Cannes Film Festival and was very well received – the cast reportedly got a standing ovation!

Zac will be starring opposite Dennis Quaid and Heather Graham in an upcoming drama called At Any Price. The movie follows an enterprising farmer whose plans cause problems within his family. At Any Price is set to premiere later this year.

10+ pictures inside of Zac Efron capturing a few memories in France…

Lily Collins is all smiles as she makes her way into LAX Airport to catch a departing flight on Saturday (May 26) during Memorial Day weekend in Los Angeles.

The 23-year-old actress was recently nominated for a Teen Choice Award for her work in the fantasy film Mirror, Mirror.

Lily received a nom for Favorite Actress Sci-Fi/Fantasy and is up against Jennifer Lawrence (The Hunger Games), Kristen Stewart (The Twilight Saga: Breaking Dawn – Part 1), Scarlett Johansson (The Avengers), and Vanessa Hudgens (Journey 2: The Mysterious Island).

10+ pictures inside of Lily Collins at the airport…

Will Smith and Nicole Scherzinger‘s Men In Black 3 has dethroned Joss Whedon‘s The Avengers from its top box office spot, earning $55 million in its opening weekend.

The action-packed blockbuster The Avengers, featuring Robert Downey Jr. and Scarlett Johansson, raked in an impressive $37 million in its fourth week in theaters.

Third place went to Battleship, Alexander Skarsgard and Rihanna‘s action-adventure flick, which brought in $10.8 million. Fourth place went to Sacha Baron Cohen‘s comedic satire The Dictator with $9.6 million.

Chernobyl Diaries, the Jesse McCartney horror flick, came in fifth place with $8 million.

Shakira cheers on her man Gerard Pique, who plays for F.C. Barcelona, at Vicente Calderon Stadium on Friday (May 25) in Madrid, Spain.

The 35-year-old entertainer nervously watched the soccer game from her seat as Gerard‘s team played Athletic de Bilbao.

PHOTOS: Check out the latest pics of Shakira

Shakira sat with Gerard‘s parents and was his biggest cheerleader. Once the game ended, Shakira congratulated Gerard for the win by giving him a big kiss.

20+ pictures inside of Shakira and her boyfriend Gerard Pique at Vicente Calderon Stadium…

Justin Bieber and Selena Gomez hold hands as they step out on a sunny Sunday (May 27) in Calabasas, Calif.

The happy couple was reportedly headed out to catch a movie.

PHOTOS: Check out the latest pics of Justin Bieber

Over the weekend, Justin and Selena headed to Benihana to grab a bite to eat.

Sunday afternoon, Selena tweeted, “THANK YOU SO MUCH to my fans for always protecting me and being there for me. I can’t thank you guys enough. I’m sorry I had to rush out. Love you guys.”

FYI: Selena is wearing an Ella Moss maxi dress.

Diane Kruger attends the closing ceremony for the 2012 Cannes Film Festival on Sunday (May 27) in Cannes, France.

The 35-year-old actress (and Cannes jury member) looked breathtaking
in her black and white plaid ballgown.

PHOTOS: Check out the latest pics of Diane Kruger

Diane also attended the premiere of the Claude Miller-directed Therese Desqueyroux, which tells the story of an unhappily married woman who struggles to break free from social pressures and her boring suburban setting.

FYI: Diane is wearing Boucheron earrings and a Christian Dior dress and shoes.

10+ pictures inside of Diane Kruger at the closing ceremony and Therese Desqueyroux premiere…

Nicole Scherzinger is white hot while arriving at the Monaco Formula One Grand Prix at the Circuit de Monaco on Sunday (May 27) in Monte Carlo, Monaco.

The 33-year-old entertainer waved and blew kisses to fans before exiting her boat.

PHOTOS: Check out the latest pics of Nicole Scherzinger

The day before, Nicole and her on-again boyfriend, Formula One racing driver Lewis Hamilton, spent some quality time in the city together.

15+ pictures inside of Nicole Scherzinger arriving at the Monaco Formula One Grand Prix…

Gwen Stefani takes her two sons Kingston and Zuma to Underwood Family Farms to celebrate Kingston‘s 6th birthday on Saturday (May 26) in Moonpark, Calif.

The 42-year-old rocker and fashionista watched as the boys rode ponies and played around together on dirt tricycles and wooden toy trucks.

PHOTOS: Check out the latest pics of Gwen Stefani

Before leaving, Kingston and Zuma joined other kids on a joy ride through the farm grounds while Gwen picked up some fresh strawberries to bring home.

Happy birthday, Kingston!!!

30+ pictures inside of Gwen Stefani with her kids at Underwood Family Farms…

Madonna‘s kids Rocco, David, and Mercy spend the day at the beach on Saturday (May 26) in Tel Aviv, Israel.

The 53-year-old entertainer watched on from her hotel balcony while the kids played in the sand and took a dip in the ocean. She was joined on the balcony by her shirtless boyfriend Brahim Zaibat.

Madonna‘s MDNA album producer William Orbit recently apologized to the singer for comments he made about his thoughts on the commercial failure of the disc.

“The MDNA comments. I should not have said them publicly. I see that and I regret that I said online. Not fair to M,” he wrote on his Facebook.

20+ pictures inside of Madonna and her kids spending time in Israel…

Kristen Wiig hangs out of a police car as she films scenes for her new flick The Secret Life of Walter Mitty on Saturday (May 26) in New York City.

The film is about a timid magazine photo manager (Ben Stiller) who lives life vicariously through daydreams and embarks on a true-life adventure when a negative goes missing.

Ben is not only starring in the film, but is also directing! Sean Penn, Parks and Recreation‘s Adam Scott, and Shirley MacLaine also star.

The Secret Life of Walter Mitty is slated for a 2013 release.