It was a big week on social media, with celebrities hanging out on set, on the beach, and at the Cannes Film Festival! Bar Refaeli gained workout inspiration from a shirtless Brad Pitt, while Rihanna had a little trouble getting out of bed the morning after the Billboard Music Awards. Heidi Klum got a lift from a few majorly buff men, and Chris Rock chilled on a balcony between promotional duties Read more

It was another chic week of social media snaps from our favorite celebrities, and this time around, we got a glimpse of the Cannes Film Festival, the Billboard Awards, and other star-studded moments of work and play. Solange Knowles showed off a chic print-mixing look, while Gisele Bundchen enjoyed a cup of hot cocoa at a Paris cafe. Jessica Stam partied with sailors during Fleet Week in NYC, and Read more

Instagram has quickly become our latest obsession, and celebrities have likewise taken note by sharing tons of their personal photos. From Channing Tatum to Justin Bieber to Oprah Winfrey, everyone is hopping on board the social networking app. If you're not familiar with using it, then check out GeekSugar's helpful Instagram instructions for iPhones and the recently added Instagram for Read more

We got another exciting glimpse into the lives of our favorite celebrities on social media this week. Stars like Channing Tatum and Ryan Seacrest celebrated Mother's Day with their lovely ladies, while Mario Lopez chatted up Jennifer Lopez and Cameron Diaz at the premiere of What to Expect When You're Expecting. Britney Spears shared a snap of her and the rest of the X Factor judges, and Justin Read more

It was a big week on social media, as celebrities like Gwyneth Paltrow, Kate Bosworth, and Rachel Zoe shared snaps from their daily adventures. Gisele Bundchen prepped for the Met Gala, and Beyoncé Knowles tried on jewelry. Johnny Depp rocked out, and Nina Dobrev got artsy. Click through now to see the week's cutest celebrity candids, and don't forget to follow PopSugar on Twitter, Facebook, Read more

This week was huge for social media, as stars shared their fashionable photos from the Met Gala! Gwyneth Paltrow, Rachel Zoe, Brooklyn Decker, and more attended the big event, but that didn't stop other celebs from getting in on the photo-sharing fun. Bar Refaeli got shots before taking a big trip to Africa, Nina Dobrev got artistic at the beach, and Emma Roberts and Nicky Hilton celebrated Cinco Read more

Last night's Met Gala was full of photogenic moments, and many of the celebs lucky enough to attend shared snaps from behind the scenes. Stella McCartney posed with Cameron Diaz, who wore a Stella design, and MIA, while designer Prabal Gurung spent time with actress Greta Gerwig. A Michael Kors-clad Jessica Alba caught up with Ed Norton, and Kate Bosworth, in Prada, posed with Victoria Justice. Read more

We caught up with some of our favorite social media-friendly stars this week during their moments of work and play. Bar Refaeli and Jared Leto both enjoyed the great outdoors with adorable animals, while Leann Rimes hit the beach in a teeny bikini. Meanwhile, lots of celebs shared snaps from the White House Correspondents' Dinner. Elizabeth Banks reunited with her The Hunger Games costar Josh Read more

It was another chic week of social media snaps from our favorite celebrities, and this time around, we got a glimpse of a glamorous gala, food-related feasts, and some model mayhem. Stars like Rachel Zoe and Kerry Washington glammed it up for the White House Correspondents' Dinner, while Jessica Alba celebrated her birthday with dessert. Chrissy Teigen was busy boiling shrimp, Alessandra Ambrosio Read more

The stars were out and about this week, sharing their exciting snaps through social media along the way. Celebs like Busy Philipps and Brooklyn Decker enjoyed the great outdoors, while Nicole Richie took flight during a trip to Boston. Brad Goreski and Jennifer Lopez hit the beach, and Jimmy Fallon hosted a very special guest on his late night show. Click through now to see the week's cutest Read more