After James shows a video of Demi Lovato put her boyfriend, MMA fighter Guilherme Vasconcelos, in an armbar, Charlie Hunnam shares how he got into jiu-jitsu, and Rupert Friend explains his hobby, Krav Maga, to James. Demi really got some skills!? Demi Lovato Demonstrating Her Favorite Jiu Jitsu Moves Demi Lovato doing a slick armbar … Continue reading Demi Lovato Shows Some Moves And Talks About Jiu-Jitsu with Charlie Hunnam