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By Lizzie Smith
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He has a reputation for being somewhat uptight.
But there was no holding Tom Cruise back as he performed a jaw-dropping hip hop routine with Jennifer Lopez at the MTV Movie Awards.
The actor reprised his role as Len Grossman, the fat, balding foul-mouthed Hollywood producer character he played in Tropic Thunder.
Bumping and grinding their way across the stage, the pair performed a highly synchronised set, full of cheoreographed moves.
At one point Lopez spanked a willing Cruise, but ticked him off when he attempted to return the favour.
The pair were cheered on by Cruise's wife Katie Holmes, who sat in the front row.
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The hilarious ended with Cruise making a valiant attempt at doing the splits, which he only half-completed.
Cruise had earlier launched the ceremony under the guise of profanity-spewing Grossman.
In the opening parody, Grossman cast Twilight stars Taylor Lautner and Robert Pattinson as mustached cops, used Michael Cera as a human bookend and yelled at The Karate Kid star Jaden Smith as father Will Smith looked on.
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Also taking to the stage at the star-packed show was Katy Perry, who performed a duet with Snoop Dogg.
Katy sang her song California Gurls, wearing an sparkly outfit apparently inspired by Wonder Woman.
Christina Aguilera performed a medley of three songs from her new album Bionic.
She shed the black fairytale gown she arrived in for a bodysuit and cape, with a unique accessory - a flashing LED heart between her legs.
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