Liam Hemsworth recently admitted that his kissing scenes with Jennifer Lawrence in The Hunger Games: Mockingjay — Part 1 were totally awkward! The actor appeared on the The Tonight Show Starring Jimmy Fallon and revealed that JLaw never brushed her teeth before her kissing scenes, which made for some uncomfortable moments.

"Any time I had to kiss Jennifer was pretty uncomfortable, really awkward," Liam said. "Right before the scene she’d be like, ‘Yeah, I had tuna, I had garlic, and I didn’t brush my teeth.’ Fantastic, I can’t wait to get in there and taste it.”

Liam and Jennifer aren't the only stars whose movie kisses were actually awkward in real life. Click through to see more, then let us know in the comments below which one shocks you the most. Do you think it would be awkward to kiss someone on camera?