Steven Tyler rocks in Uruguay, and more Celeb SightingsSteven Tyler of U.S rock band Aerosmith performs at Montevideo Centenario Stadium, October 9, 2013. REUTERS/Andres Stapff (URUGUAY - Tags: ENTERTAINMENT)Andres Stapff / ReutersOct. 10, 2013, 5:50 PM UTCBy TODAY staffGetty Images AsiaPacSlideshow  31 photosCelebrity SightingsSteven Tyler rocks Uruguay, stars at the 'ONES to Watch party,' Julianna Margulies on 'The Counselor' red carpet, and more.Print