LAS VEGAS, Nev. -- R&B icons TLC reunited for the group's first solo performance in six years on Saturday night -- thanks to Justin Timberlake.According to MTV News, the group - Tionne 'T-Boz' Watkins and Rozanda 'Chilli' Thomas - took the stage by themselves, performing for the first time in six years. The group semi-retired in 2003 following the death of third member Lisa 'Left Eye' Lopes in a 2002 car accident.