Attention, tween girls: if you want to stalk Justin Bieber, a good place to start might be the movie theater. The pop idol has confessed to being completely obsessed with the new Jonah Hill/Channing Tatum comedy '21 Jump Street' and has seen it multiple times in theaters.

The Biebs talked about his new single 'Boyfriend' during an interview on Ryan Seacrest's radio show, but off-air, he apparently told the 'American Idol' host he's a huge fan of '21 Jump Street,' the film based on the television show that made Johnny Depp a swoon-worthy household name.

Justin told Seacrest he's seen the flick three times already, and ranks it as one of the funniest movies ever.

But trying to spot him buying tickets at the cineplex would probably be a waste of time. Bieber's known for renting out entire venues just so he and girlfriend Selena Gomez can watch movies in peace.

Back in October, he commandeered a theater in his native Canada so the two could take in 'Real Steel,' and a month before that, he plunked down enough cash for the couple to have the entire Staples Center in Los Angeles all to themselves for a private screening of 'Titanic.'

Given the fact that he basically bathes in money, one would think he'd have built his own theater by now.

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