Whether working hard or playing harder, some of our favorite social-media-savvy stars made sure to share their candid snaps for us to enjoy. Nicole Richie  showed off her impressive basketball skills, and Lady Gaga  got us psyched for the VMAs with a stop by the MTV offices. Adam Levine was the victim of a snack attack, while Alessandra Ambrosio was extra thirsty during her vacation in Greece. Vogue editor Anna Wintour dove into the September issue as John Stamos celebrated his 50th birthday diving underwater in Mexico. And the boys of Glee indulged in a jam session during their downtime. Of course, it wouldn't be a celebrity candids roundup without a picture of Bar Refaeli  in a bikini — and can you guess which food-loving model hopped on the ramen burger bandwagon?
Click through to see the rest of this week's cutest celebrity candids, and be sure to follow POPSUGAR on Instagram , Facebook , and Twitter !
Alessandra Ambrosio protected her face from the sun with a giant straw hat.
Bikini-clad Bar Refaeli  cooled off in a swimming pool.
Darren Criss and Chord Overstreet had a jam session during their downtime on the Glee set.
Anna Wintour was snapped reading Vogue's September issue.
Chord Overstreet rocked a ponytail on the set of Glee.
Behati Prinsloo got a little naughty while hitting the links.
Alessandra Ambrosio wore crazy, creepy prosthetics for a Funny or Die video — and we can't get over how scary this photo is!
Nicky Hilton  got up close and personal with a horse.
Chrissy Teigen hopped on the ramen burger bandwagon.
Chord Overstreet and Kevin McHale  posed on the Glee set in LA.
James Franco  snapped a selfie while wearing a "Made in USA" cap.
Nicole Richie  shocked everyone when she dunked a basketball like a pro.
Lena Dunham snapped a selfie while heading to the set of Girls.
Models Alessandra Ambrosio and Ana Beatriz relaxed by the pool in bikinis with a group of gorgeous friends.
Diddy  shared a sweet afternoon in his office with his three daughters.
Sofia Vergara shared this silly snap with her Modern Family costar Aubrey Anderson-Emmons.
Ciara looked white-hot while promoting her new collaboration with Degree in NYC.
Brooke Burke and David Charvet arrived home from vacation.
Julianne Hough got a touch-up before shooting a Sole Society campaign.
Jemima Kirke wasn't too happy about being photographed in the hair and makeup chair on the Girls set.
Olivia Wilde  took a selfie before making an appearance on Good Morning America.
Bar Refaeli  topped a three-person human totem pole while hitting the pool with friends.
Alyssa Miller started a new accessory trend when she accidentally left her shades on the roof of a car.
Ellie Goulding showed off a sexy backless ensemble after performing in Mallorca, Spain.
Nicky Hilton  spent quality time with pigs during a visit to an English farm.
Rihanna  showed off her new mullet-style hairdo, as well as her love for McDonald's.
Adam Levine shared a snap while enjoying "snacks on snacks on snacks" during a plane ride.
Erin Heatherton biked for a good cause.
Kat Graham struck a seductive pose on Hollywood Boulevard during a photo shoot.
Nicky Hilton  posed in a cornfield.
Lady Gaga  stopped by the MTV offices.
John Stamos celebrated his 50th birthday with some pool time in Mexico.
Wilmer Valderrama  showed his love to fans with this sexy selfie.
Alessandra Ambrosio was a little thirsty while vacationing in Mykonos, Greece.
Newly engaged Ashley Tisdale  gave us a glimpse at her workout routine.