Watch Relatively Speaking's Marlo Thomas as Miley Cyrus' Grandma in Trailer for LOL

Relatively Speaking star Marlo Thomas will join a brand new family in the movie LOL, starring Miley Cyrus. Thomas stars as Gran, Cyrus' wisecracking grandmother in the upcoming film, which does not yet have a release date. Also starring Demi Moore (as Thomas' daughter), the comedy follows Lola (Cyrus), a rebellious teen in the height of her sexual awakening. Click to check out the trailer below, then see Thomas in Relatively Speaking before closing night on January 29.