EXCLUSIVE: Olivia Wilde Felt 'Challenged' to Fit Into Skin-Tight 'Tron' Suit

Olivia Wilde is pretty petite, but it still took dozens and dozens of highly-skilled electrical experts to create the not-so-simple, sexy skintight costume she wore as a futuristic warrior in the new “Tron: Legacy.”

“I’m so proud to be in a suit that was created by fifty technicians and engineers, complete with wires and lights running through it. I saw it being built slowly through the months and then bang it just lit up,” Wilde gushed to Pop Tarts at the film’s grandiose premiere in Hollywood over the weekend. “But it did take a few hours just to get into it.”

Squeezing into the suit was nothing compared to the grueling martial arts-inspired workout regime Wilde underwent to look as hot as hot can be for the role.

“It was an effort to get into that suit, but if I was a real astronaut I wouldn’t expect that to be easy either. It’s all part of the process, it’s a challenge and that is what creates the rewards,” she continued. “I’ve still got a pretty mean roundhouse kick. I don’t think I could fight with a sword anymore, I’ve lost all my arm muscles, but it was pretty amazing to learn all these techniques and if we do another one I’ll learn them all again!”

And if you thought “Avatar,” that not-so-small science fiction film by James Cameron that now stands as the highest-grossing film of all time, was pretty cool – apparently “Tron” is even more out there.

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“It’ll be unlike anything you’ve ever seen before. It takes all the technology that you’ve seen in films like ‘Avatar,’ ‘Benjamin Button’ and ‘Alice in Wonderland,’ and takes them much, much further,” co-star Michael Sheen assured us. “For people who did see the original film and who loved it then, you get all the old stuff back but completely changed and revamped. Twenty-eight years of technology in between have kind of made everything go crazy.”

But almost three decades since bringing Kevin Flynn to life, Jeff Bridges was hesitant to bring him back to the big screen.

“I was concerned if it was going to be a good story,” he said. “But I knew the technology was going to be good, and I wanted to participate in performance captioning – making movies without cameras seemed fascinating to me.”