Bella Thorne recently shared a hilarious Instagram pic of her photobombing the Fifth Harmony girls and it is everything. The singers were definitely trying to pose nicely without having any idea that The DUFF actress behind them was giving her best Miley Cyrus impression.

Bella's not the only star who has photobombed other celebs! Click through to see more pics, then let us know in the comments below which ones you think are the funniest.