Jessie J Shows ‘Britain’s Got Talent’ That “Mama Knows Best”

Robbie Daw | June 3, 2011 9:00 am

“Price Tag” diva Jessie J hit the stage on Britain’s Got Talent last night and tore the roof off the joint with an energetic, big band-esque performance of her Who You Are track “Mama Knows Best.” Perhaps it was a bid to get Adele-leaning tween finalist Ronan Parke to belt out one of her songs, as well? Whatever the case, Jessie came across like a woman possessed by all that is sassy and soulful. Watch below!