Celebrities wasted no time kicking off Summer this month and made sure to share their cute, funny photos through social media. Nicole Richie  showed off a sexier side for a Today show appearance, while Oprah flaunted her honorary degree from Harvard University. Kristen Stewart  kicked it at a Texas Hooters, and Cameron Diaz  got goofy while snapping a photo of her cool new Stella McCartney  kicks.
Click through to see the rest of this month's cutest celebrity candids, and be sure to follow POPSUGAR on Instagram , Facebook , and Twitter !
Cameron Diaz  struck a silly pose while showing off her new Stella McCartney  neon espadrilles.
Jessica Simpson  shared a photo of a "metaphor" in which she likened her growing baby bump to a hot air balloon.
Nicole Richie  shared this sweet snap with her dad, Lionel, ahead of Father's Day .
So You Think You Can Dance judges Nigel Lythgoe and Adam Shankman were dressed to the nines while filming a Prancercise video for Funny or Die.
Solange Knowles relaxed in a retro bikini and round sunglasses.
Kate Bosworth  was "loved up" with her fiancé, Michael Polish, at the Stella McCartney  preview in Brooklyn, NY.
Nicole Richie  flaunted her toned figure in a crop top before heading to the Today show.
Kim Kardashian  shared a photo with her "besties" at her recent baby shower.
Oprah posed with her honorary degree from Harvard University.
Chanel Iman partied with Rihanna  after the singer's concert.
Rihanna  posed on the infamous staircase at Coco Chanel's home in Paris.
Lena Dunham broke from filming Girls to show off a sweet pair of Wildfox Couture  shades.
Stella McCartney  and her dad, Paul, snapped a cute photo before his Brooklyn, NY, concert.
Michael Fassbender got some air while filming X-Men: Days of Future Past.
Lauren Conrad  showed off some silly glasses (and her new bangs).
Gisele Bündchen shared a sweet photo while practicing yoga with her "little partner," baby daughter Vivian.
The Backstreet Boys took to their Instagram to promote Seth Rogen 's This Is the End.
Channing Tatum  and Jamie Foxx  got down while promoting their movie together in Miami.
Jared Leto  went shirtless  to set sail on a boat in Norway.
Kristen Stewart  posed with waitresses at a Hooters restaurant in Amarillo, TX.
Jennifer Lopez  celebrated her star on the Hollywood Walk of Fame with a giant star-shaped cake.
Miranda Kerr  shared this heartwarming photo while hitting the swings with her son, Flynn.
Beyoncé shared this snap of her edgy Summer outfit.
Things got sexy on a boat for Chrissy Teigen and Irina Shayk during a bikini photo shoot.
Kate Upton looked sexy on the set in a tight red dress and "Happy" gold chain necklace.
Bar Refaeli  did her best to re-create the album cover for Nirvana's Nevermind.
Dwyane Wade celebrated the Miami Heat's NBA Championship win with a confetti angel.
Alessandra Ambrosio snapped a photo with her picture-loving little girl, Anja, riding in the backseat.
Beyoncé Knowles planted a sweet kiss on Jay-Z  and reposted it to kick off the week.
Rosie Huntington-Whiteley planted a kiss on her boyfriend, Jason Statham, at the premiere of his film Hummingbird in London.
Madonna  channeled Marlene Dietrich in a Dolce & Gabbana  ensemble for the premiere of her MDNA tour film in NYC.
Lea Michele  shared a cute photo with her "two favorite boys," boyfriend Cory Monteith  and best friend Jonathan Groff.
Candice Swanepoel got the Marilyn Monroe treatment.
Miley Cyrus  goofed around while filming the video for her latest single, "We Can't Stop."
Jessica Alba  struck a sexy pose with her castmates while shooting a dancing scene for her latest film, Dear Eleanor.
The boys of Hanson  posed for the camera before heading to the O Music Awards.
Hayden Panettiere  goofed around on a tour bus during the Bonnaroo music festival in Tennessee.
Nicole Richie  hit the beach with her kids, Harlow and Sparrow Madden.
Kathy Griffin got a little carried away with Pitbull.
Bar Refaeli  got some love underwater.
Miley Cyrus  shared a snap with "baddest bitches in the world" — her mom, Tish, and her little sister, Noah.
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!
Mariah Carey  and daughter Monroe made a stylish arrival in France.
Miranda Kerr  snapped a pic while indulging in an afternoon Kora Organics face mask.
Emma Roberts had some trouble getting out of bed.