Marisa Tomei's slim waist secret hula-hooping!

Washington (ANI): Hollywood actress Marisa Tomei has revealed that she developed a liking for hula-hooping while shaping up for her role of an erotic dancer in The Wrestler. The Untamed Heart actress said that the part she loved most about her work out regime was hula hoping.

"I hula-hooped a lot, which is my favorite part of my routine... You're using your core muscles," Contactmusic quoted Tomei as saying.

Tomei showed off her hula-hoop skills during an appearance on comedienne Ellen Degeneres' daytime talk show in America on Tuesday. Tomei also revealed that she had to give The Wrestler co-star Mickey Rourke a naked lap dance in a scene on her first day on the set.