In June 2007, Timberlake co-wrote, produced and provided vocals for the songs "Nite Runner" and "Falling Down" for Duran Duran's album "Red Carpet Massacre", released on November 13, 2007.
6. novembra 2008 je Justin Timberlake z Madonno zapel še v Los Angelesu na Madonnini turneji Sticky & Sweet Tour.