Miley Cyrus warms up, and more Celeb SightingsMiley CyrusAlexander Tamargo / Getty ImagesDec. 23, 2013, 7:50 PM UTCBy TODAY staffGetty Images North AmericaSlideshow  27 photosCelebrity SightingsMiley Cyrus performs in Sunrise, Fla., Zac Efron watches a NBA game, John Mayer and Stevie Wonder perform together, and more. Print
