Jennifer Lawrence proved yet again why she's amazing: she photobombed the hell out of Sarah Jessica Parker.

Time will only tell if Mr. Spacey is in or out, but here's the company he's looking to keep.

Kevin Spacey took a break from jogging in a Boston park to photobomb and young lady. Kevin Spacey is kind of awesome.

Just your typical Bruce Willis story involving Antarctic vacation homes, water sports, and Kate Upton.

Did Bill Clinton photobomb Kelly Clarkson or was he sneaking a peak at her ass? We're on it!

Horse stuck in a fence + laughing cow = greatest photobomb EVER.

This is perfect in so many ways, but mostly that two kangaroos clearly watched "A Night in Paris."

Considering China's past attempts to reign in the internet -- specifically its attempts to clamp down on social media use by its people -- it's kind of hysterical that Mark Zuckerberg and his wife Priscilla Chan, recently spotted dining at McDonald's while honeymooning in Italy, made a bizarre cameo in a snippet from a Chinese documentary on police work that's floating around the web today.

In the annals of greatest famous person photobombs, Tina Fey, Aaron Rodgers and Amber Heard are unquestionably the leaders of the pack -- the most creative and deft in the celeb photobombing field.