Chace Crawford [1] may have only joined Instagram five months ago, but his account is already full of gems. From his smoldering selfies to his artsy black-and-white photos, the former Gossip Girl [2] heartthrob certainly knows what's he doing on social media. Most recently, the actor starred in ABC's soapy drama, Blood and Oil, of which he's shared behind-the-scenes snaps [3]. Keep reading to see some of Chace's best Instagram pictures so far, and then check out his sexiest moments of all time [4]!