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Robert Downey Jr.

Lee Young-ho/Sipa USA

Turns out, even Iron Man can't escape the perils of a wardrobe malfuction. 

Robert Downey Jr. recently suited up for the Iron Man 3 world premiere in Seoul, South Korea, but the handsome actor apparently forgot to check his fly before he stepped out on the red carpet.

Yes, RDJ was caught with his zipper down. 

The good-looking star seemed completely unaware of his suit snafu, laughing and smiling as he posed for pics and greeted his adoring fans (who we're sure didn't mind the peek-a-boo pants). 

Hey, at least he's in good company.

Iron Man 3, which also stars Gwyneth Paltrow, Ben Kingsley, Don Cheadle and Guy Pearce, hits theaters May 3.