Justin Timberlake - Working With Madonna

SourceMadonna and Guy hooked up with Justin for dinner at Locatelli's while he was in London this week. He recently revealed that he's writing songs for her new album and with her. Justin has been working overtime with his tour, Shrek premieres dinner meetings with Madonna and even releasing new videos (check it out after the jump).I really wonder what a Madonna and Justing Timberlake duet would