Singer Beyonce Knowles appears onstage during MTV's 'Total Request Live' at the MTV Times Square Studios Tuesday, Oct. 14, 2008 in New York.Wearing a black Etro outfit with matching heeled boots to premiere her two brand new videos “Single Ladies” and “If I Were A Boy”.Last month, MTV has announced that they are ending "TRL" after its 10-year run with a special two-hour finale.