Stars had lots to celebrate this week and made sure to share their cute snaps through social media. There was a star-studded turnout for Stella McCartney 's Spring collection party, and the designer snapped photos with friends like Cameron Diaz  and Kate Bosworth  — not to mention her dad, Sir Paul. Nicole Richie  also spent time with her famous father, Lionel, and posted a sweet pic to her feed. Models like Gisele Bündchen and Miranda Kerr  shared fun selfies while hanging out at home, while Lily Aldridge and Erin Heatherton were on hand to watch Kings of Leon perform at the Governors Ball festival. Chrissy Teigen and Irina Shayk struck sexy poses, and two of our favorite funny guys, Seth Rogen  and Andy Samberg , flanked Kelly Ripa  for a sweet snap on set.
Click through to see the rest of this week's cutest celebrity candids, and be sure to follow POPSUGAR on Instagram , Facebook , and Twitter !
Gisele Bündchen snapped a selfie to celebrate World Environment Day.
Beyoncé Knowles planted a sweet kiss on Jay-Z  and reposted it to kick off the week.
Stella McCartney  posed with Kate Bosworth  at her Spring 2014 presentation in Brooklyn, NY.
Pete Wentz  put on his sweetest face while making an appearance on The Voice.
Hilary Duff  posted a photo of her "good brow day."
Ashley Tisdale  and her friends dressed up for a trip to Disneyland.
Kate Bosworth  was "loved up" with her fiancé, Michael Polish, at the Stella McCartney  preview in Brooklyn, NY.
Heidi Klum  celebrated her birthday with a top hat and balloons.
James Franco  napped at his "nana's flat" — we love the Spider-Man blankie!
Jessica Alba  went for a retro-chic swim look on the set of her latest movie, Dear Eleanor.
Nicole Richie  shared this sweet snap with her dad, Lionel, ahead of Father's Day .
Wiz Khalifa and Kelly Rowland got prepped to perform on Late Night With Jimmy Fallon .
Mariah Carey  and daughter Monroe made a stylish arrival in France.
Ivanka Trump  shared this sweet snap while lounging with her daughter, Arabella.
Cameron Diaz  partied with Stella McCartney  at her Spring 2014 presentation.
Emmy Rossum showed off her glamorous look for the Critics' Choice Television Awards.
Miranda Kerr  snapped a pic while indulging in an afternoon Kora Organics face mask.
Miranda Kerr  snapped a selfie with a friend.
Chrissy Teigen made friends with a giraffe while hanging backstage at the Guys Choice Awards.
Chanel Iman partied with Rihanna  after the singer's concert.
Stella McCartney  and her dad, Paul, snapped a cute photo before his Brooklyn, NY, concert.
Funny guys Seth Rogen  and Andy Samberg  posed with Kelly Ripa  on the Live With Kelly and Michael set.
Bar Refaeli  and her trainer had an ab-off in the gym.
Emma Roberts had some trouble getting out of bed.
Doutzen Kroes and her sister took in a DJ set by her Doutzen's husband, Sunnery James.
Lily Aldridge and Erin Heatherton checked out Lily's husband, Caleb Followill, during his Kings of Leon performance at the Governors Ball music festival in New York.
Bar Refaeli  did some sightseeing at Art Basel.
Kaley Cuoco celebrated her Critics' Choice Television Awards win backstage.
According to Josh Hopkins, Mena Suvari "won a bet" while Geoff Stults lost one.
Pitbull and Ke$ha posed together before hitting the stage on their coheadlining tour.
Happy Endings stars Casey Wilson and Adam Pally shared a snap at the Critics' Choice Television Awards.
Things got sexy on a boat for Chrissy Teigen and Irina Shayk during a bikini photo shoot.
Lena Dunham showed her fans why she had a good day at work on Tuesday while on the set of Girls.
Demi Lovato and Kelly Rowland sent kisses while goofing off on the set of X Factor.
The Backstreet Boys took to their Instagram to promote Seth Rogen 's This is the End.
Alessandra Ambrosio snapped a photo with her picture-loving little girl, Anja, riding in the backseat.
Kristin Cavallari  shared her official wedding  portrait with husband Jay Cutler.
Khloe Kardashian made friends with a monkey this week.
Beyoncé set the tone with this picture of her trendy outfit.
Rosie Huntington-Whiteley was prepared for lift off and "chopper time" during a helicopter ride.
Ashley Benson and Shay Mitchell posed with Julian Morris while on the set of Pretty Little Liars.
Sofia Vergara lounged by the pool to kick off her Summer festivities.
Ian Somerhalder  celebrated Vampire Diaries costar Claire Holt's birthday alongside Paul Wesley .
Stacy Keibler swung through a forest as part of the Mountain Games.
Lea Michele  took a special trip to New Orleans with her dad.