Fans that missed out on Mary J. Blige's live set at the 2015 Tribeca Film Festival finally get a proper taste with stunning new footage of her performance of "Not Loving You." Her performance of the third track from The London Sessions LP follows the 2014 release of the project and the recent festival debut of the album's sister documentary Mary J Blige - The London Sessions directed by Sam Wrench. Radiant and overflowing with emotion in the clip, Blige stands at centerstage and nails every note of the track penned by Jimmy Napes and Sam Smith before the audience rises to applaud. Check the footage below to watch Mary's performance of "Not Loving You" at TFF. Get more on the documentary and her full set via tribecafilm.com. Purchase The London Sessions LP via iTunes.