Lopez performed " Waiting for Tonight " for the first time on the British music chart television program '' Top of the Pops '' , on the episode that aired November 12 , 1999 on BBC . Weeks later , she performed the song at the 11th Billboard Music Awards on December 8 , 1999 , where she opened the show . '' Billboard '' praised the performance as a " galvanizing " opening to the ceremony . She also sang the song along with " Feelin ' So Good " during an appearance at '' Saturday Night Live '' on February 5 , 2000 . The song was included on the setlist of her Let 's Get Loud Concerts in Puerto Rico , a performance in which she got down on " all fours " while singing . The performance was televised on NBC on November 20 , 2001
Let 's Get Loud Concerts
Let's Get Loud (concerts)
Waiting for Tonight