"I just had the first fitting and the clothes were just ridiculous," she said. "And they actually custom create outfits for you too. It's so fun."
Greene will play Amanda, a childhood friend of Ted (Michael Moseley).
VIDEO: Witness the star-packed Breaking Dawn premiere"Their fathers are very good friends and [she] may or may not be romantically interested in him," she told eonline.com. "But she definitely has a twist. I feel like all of the characters have a twist, and so it was a very interesting character that I haven't done yet."
Her first episode, titled "Kiss Kiss Bang Bang," airs Dec. 4.