GREASE: LIVE: (EXCLUSIVE COVERAGE): (L-R) Actors Yvette Gonzalez-Nacer as 'Cha-Cha' and Sam Clark as 'Leo' during the dress rehearsal for GREASE: LIVE airing LIVE Sunday, Jan. 31, 2016 (7:00-10:00 PM ET live/PT tape-delayed), on FOX. (Photo by Michael Becker/FOX Image Collection via Getty Images)
