In X-Men: Days Of Future Past, Jennifer Lawrence reprises her role as the sexy, blue-skinned shapeshifter Mystique, and on the red carpet at the film’s New York premiere Lawrence stopped to talk to ET’s Rocsi Diaz about what it took to play the sultry femme fatale.

When asked what she had to train the hardest for, Lawrence revealed that it was her character’s alluring and serpentine mannerisms that required the most work.

“The way that Mystique moves, kind of lizardy-like,” Lawrence said. “So lots of yoga, and learning to move in the exact opposite way that I move my body.”

And when asked where the most awkward place she found blue paint on her body after taking off her make-up, Lawrence just laughed and said, “Well I can’t answer that!”