The 22-year-old musician was treated to a little dance while Britney performed “Lace and Leather.”
“What a great night! LONDON! you rule! what a way to end the @britneyspears tour. And.. @britneyspears thanks for the strip tease.. ;)” Joe tweeted after the show.
Also, last night Joe took home the Best Lyrics Video award at the MTV O Awards, held in West Hollywood, Calif.