Justin Timberlake introduced Tionne “T-Boz” Watkins and Rozonda “Chilli” Thomas, the two remaining members of the R&B trio TLC, as they performed at the second annual Justin Timberlake & Friends concert at the Mandalay Bay Events Center in Las Vegas on Saturday (Oct. 17). The show, benefiting Shriners Hospitals for Children, also featured sets from Alicia Keys, Ciara, Snoop Dogg, Taylor Swift, Jay Sean, and Timbaland.