Is that Jimmy Fallon and Cameron Diaz we spy in the background?
Somehow a photobomb is even more hilarious when there's a famous face awkwardly in the background. Curious to see which celebs have photobombed unsuspecting photo-takers?
Head over to Ranker for a full list: The 28 Funniest Celebrity Photobombs
This article was originally published at Ranker. Reprinted with permission from the author.