Mario Lopez Joins Julianne Hough, Carly Rae Jepsen, and More in Fox’s “Grease: Live

Mario Lopez is joining Dancing With the Stars judge Julianne Hough, actress Vanessa Hudgens, and singer Carly Rae Jepsen in Fox’s first foray into live performances. He will play the role of Vince Fontaine when Grease: Live airs in January.…