This week in the world of celebrity social media, we saw moments of work, play, and everything in between. Cameron Diaz , Macklemore, and Rihanna  all took advantage of their cool new kicks and shared their fun sneaker snaps on Instagram. Model mayhem ensued when the Victoria's Secret Angels got together for some wining and dining, and Nicole Richie  struck a sexy pose before heading to the Today show. Miranda Kerr  also made a morning TV show appearance, while Oprah Winfrey  showed off her honorary degree from Harvard University — quite a feat!
Click through to see the rest of this week's cutest celebrity candids, and be sure to follow POPSUGAR on Instagram , Facebook , and Twitter !
Jennifer Meyer  hung out with Diane von Furstenberg  at the CFDA Fashion Awards.
Nicole Richie  flaunted her toned figure in a crop top before heading to the Today show.
Cameron Diaz  struck a silly pose while showing off her new Stella McCartney  neon espadrilles.
Behati Prinsloo got sneaky while on set.
Bar Refaeli  shared a snap from her hotel room before heading out for a day of press in Belgium.
Sofia Vergara showed off a pink Michael Kors  dress and Lorraine Schwartz jewels for a press day in NYC.
Jessica Simpson  shared a photo of a "metaphor" in which she likened her growing baby bump to a hot air balloon.
Doutzen Kroes shared a beachy, sun-lit selfie.
Behati Prinsloo posed with her personalized surfboard.
Bar Refaeli  had some fun whipping her hair back and forth.
Lena Dunham shared a photo of her unfortunate "lip sunburn" — don't worry, Lena — it happens to the best of us!
Jessica Alba  rocked a vintage look while filming Dear Eleanor in Colorado.
Lauren Conrad  showed off some silly glasses (and her new bangs).
It was a girls' night out for models Karlie Kloss, Erin Heatherton, Candice Swanepoel, Lily Aldridge, and Behati Prinsloo.
Miranda Kerr  had an interview with Ali Wentworth in NYC.
Oprah posed with her honorary degree from Harvard University.
Candice Swanepoel shared a photo of herself with her CFDA Fashion Awards date, designer Prabal Gurung .
Jaime Chung gave us a glimpse of her latest workout.
Michael Fassbender got some air while filming X-Men: Days of Future Past.
Cara Delevingne and Rita Ora stuck close together at the Glamour Women of the Year Awards in London.
Jay Baruchel partied with comedian Nick Swardson at the premiere of This Is the End in LA.
Oprah brunched with actress Tika Sumpter.
Rosie Huntington-Whiteley shaded her face from the sun in style.
Paris Hilton  posed for photos at the LA premiere of The Bling Ring.
Kylie Minogue  and Rebel Wilson hung out together at the Glamour Women of the Year Awards in London.
Nicole Richie  did her best Vanna White impression during her stop at the Today show.
Macklemore showed off a new pair of kicks while spending time with a friend.
Nick Cannon checked out a performance backstage on the set of America's Got Talent.
Rihanna  posed on the infamous staircase at Coco Chanel's home in Paris.
Nicky Hilton  looked cute and summery while trying out NYC's latest form of transportation, CitiBike.
Queen Latifah  posed near a photo of Paul Newman before doing some press in Canada.
Miranda Kerr  snapped a photo with Good Morning America's Linsey Davis after her interview.
Vanessa Hudgens  dressed in character for a screening of Clueless in LA with friends.
Oprah enjoyed the rough cut of her upcoming film The Butler with costar Lenny Kravitz  and director Lee Daniels.
Michael Kors  posed with his lovely CFDA Fashion Awards dates, Cody Horn and Karolina Kurkova.
Kim Kardashian  shared a photo with her "besties" at her recent baby shower.
Mariah Carey  spent quality time with her mother, Patricia, and her daughter, Monroe.
Kristin Davis posed with Joel McHale during a stop at the set of The Soup.
LeAnn Rimes snapped a photo in the hair and makeup chair.
Victoria Justice caught some rays while lounging in the pool.
Jennifer Meyer  shared a snap while mixing and matching her jewels on a sunny day.
Rihanna  got a sweet kiss on the forehead from legendary designer Azzedine Alaïa.
Nicole Richie  gave a glimpse of the gold backless Marc Jacobs  gown that she wore to the CFDA Fashion Awards.
Jaime King tried her best to beat the NYC heat.
Paris Hilton  cuddled with her new rescue pup, Dollar.
Bar Refaeli  promoted The X Factor in her native Israel.
Even while attending a fancy event, Doutzen Kroes still made time to check her Instagram feed.
Rosie Huntington-Whiteley rocked a cool '70s-inspired look.
Kevin Hart went shirtless  on the set of Think Like a Man 2.
Margherita  Missoni  showed off a silhouette of her growing baby bump — she's seven months along!
Vanessa Hudgens  rocked a cute bohemian look, complete with pretty feather earrings.