CELEBRITIESWeek's celebrity social snapsBen Stiller (left) and Justin Bieber throw too many Blue Steel looks out in preparation for "Zoolander 2".Ben Stiller/InstagramSinger Tinashe has a celeb moment as she sees herself in the inside of Teen Vogue.Tinashe/InstagramRapper Drake is looking a little dapper in this selfie he sent to his fans.Drake/InstagramFrom left to right: Chrissy Teigen, John Legend and Emily Ratajkowski are the best of friends in this Instagram pic.Emily Ratajkowski/InstagramThree cast members from the Disney Channel hit "Lizzy McGuire" reunited at the bowling alley.Jake Thomas/InstagramAmber Rose (R) poses for a selfie with a British fan who dressed up as the celebrity.Amber Rose/InstagramAdelaide Kane wakes up to cuddles from her adorable kitty.Adelaide Kane/InstagramAdriana Lima hangs out with fellow supermodel Irina Shayk at the White House Correspondents' Dinner.Adriana Lima/InstagramAlessandra Ambrosio declares, "Paris is always a good idea."Alessandra Ambrosio/InstagramAlicia Keys gets some work done in the studio.Alicia Keys/InstagramAnna Kendrick strikes a pose with her "Pitch Perfect" castmates.Anna Kendrick/InstagramAriana Grande gushes over her wardrobe for the upcoming show "Scream Queens."Ariana Grande/InstagramAshley Tisdale enjoys spending some time with Conan O'Brien on the set of her new show "Clipped."Ashley Tisdale/InstagramBella Thorne puts on her best model pout with a pair of friends.Bella Thorne/InstagramBrendon Urie, singer of Panic! At the Disco, celebrates his second wedding anniversary with wife Sara.Brendon Urie/InstagramCindy Crawford wishes husband Rande Gerber a happy birthday with this throwback photo of the couple.Cindy Crawford/InstagramCody Simpson shared this shot from a recent performance with his Instagram followers.Cody Simpson/InstagramColton Haynes (R) goofs around with "Arrow" co-star Paul Blackthorne as the pair prepare to dig into their food.Colton Haynes/InstagramDemi Lovato shows off her ripped abs ahead of a recent performance in New Zealand.Demi Lovato/InstagramDerek Hough (L) coaches his "Dancing With the Stars" co-stars in this fun, backstage snap.Derek Hough/InstagramDoutzen Kroes makes sure to snap a photo in her favorite juice shop while out and about this week.Doutzen Kroes/InstagramDrake Bell channels the 1950s in this recent Instagram snap.Drake Bell/InstagramEllen Pompeo lays across the arms of some of Los Angeles's real first responders.Ellen Pompeo/InstagramEmmy Rossum accompanies boyfriend Sam Esmail to the premiere of his new show "Mr. Robot" at this year's Tribeca Film Festival.Emmy Rossum/InstagramEva Longoria (R) hangs out with the legendary Rita Moreno.Eva Longoria/InstagramFergie hangs out with some of her best lady friends this week.Fergie/InstagramGabrielle Union hangs out with husband Dwyane Wade in this sweet Instagram snap.Gabrielle Union/InstagramGiuliana Rancic shows off a dress from her recently released fashion collection.Giuliana Rancic/InstagramHilary Duff (3L) enjoys a girls' night out to the bowling alley.Hilary Duff/InstagramIan Somerhalder (R) and Nikki Reed - who are rumored to have gotten married recently in Louisiana - start the day off with a workout.Ian Somerhalder/InstagramRihanna shows off a shot from a recent, beach-bound photo shoot on her Instagram page.Rihanna/InstagramCandid or posed? Rita Ora posed this artsy photo on her Instagram page this week.Rita Ora/InstagramSinger Sam Smith gets a new tattoo, dedicating it to his fans. "For you, my little sailors," he writes.Sam Smith/InstagramTaylor Swift attempts to corral the sheep in her latest Insta video.Taylor Swift/InstagramChrissy Teigen and her two friends -- President Barack Obama and Michelle Obama -- get together for this glamorous shot.Chrissy Teigen/Instagram