Nina Dobrev may play a kick butt heroin in The Vampire Diaries but in real life she's all about joking around and pranking her co-stars. Recently, the starlet posted a video of herself seriously startling a Hunger Games star and declaring herself the scaring queen.

She's not the only celeb who gets a kick out of pranking other stars. Click through to see the funniest pranks celebrities have pulled on each other, then let us know which ones make you laugh the most in the comments below.