Shia LaBeouf , 21 tells GQ that for Indiana Jones and the Kingdom of the Crystal Skull, he "never worked so hard for anything in my life.

Shia LaBeouf teased about dating Rihanna?

I did four months of sword fighting and bike training. And I spent insane amounts of time on the switchblade."

Shia LaBeouf also reveals that his friends nagged him when rumors began circulating that he was dating Rihanna.

"My friends were like, 'Are you serious, bro? Why didn't you tell me about that?' I was like, 'I really don't know her like that.' For weeks they were singing that "Umbrella" song everywhere I walked. And those are my people!"

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