Whoa. We see a lot of celeb bikini pics, but few snapshots are as, um, candid as this one — arms outstretched, tippy toes, and one of the fittest bums in the biz. This starlet tweeted the photo from a July vacation in Cabo San Lucas.
Who is it? We’ll give you some hints. She can be found on a current primetime fifth season show. While her TV character is now super stylish, it wasn’t always that way: When we first met her character, her outfits were more knee socks and plaid skirts than figure-flattering minis. When this TV star’s not reciting lines, she’s tweeting about hitting the gym, singing in the studio, and inspiring fans with her strength.
Think you know who it is? Click through to see if you’re right!