Jim Parsons has been on our radar since his 2007 debut as Sheldon Cooper [1] in the CBS hit sitcom The Big Bang Theory. His silly onscreen persona [2] is the perfect match for his sweeter-than-pie personality off screen, and it's probably why he's one of the most relatable actors [3] in Hollywood. Earlier this year, Jim, whose full name is James Joseph Parsons, married his boyfriend of 15 years [4], Todd Spiewak, and the two could not have looked more adorable [5]. Read on to see 15 other times Jim was a total babe on Instagram.