VIDEO: Luke Wilson on Pulling a Justin Bieber Prank

Justin Bieber has become a pop culture phenomenon, with the fever spreading quickly throughout Hollywood. Actor Luke Wilson shared a humorous anecdote with late-night talk show host George Lopez Tuesday night, on a funny JB prank he played on a sales clerk at a book store.

"I've been in this book store/record store like a month ago and went in and was like 'Can I get that Bieber box set, Bieber the early years?' and this woman looked up, she looked like a school librarian and she was like 'Are you going to be a problem tonight?' and I was like 'No, I just thought that was kind of funny... I'll just go find the self help section.' "

OK! NEWS: JUSTIN BIEBER SPREADING FEVER WITH HIS OFFICIAL MEMOIRS!

Looks like the sales clerk didn't want anyone messing with Bieber!