Yeah, amazing performance. I was suprised they let her on stage so early. They kept all the big names for last, but somehow Leona was one of the first artists... go figure... maybe she'd headline at Mandela's 100th ;-D
Yeahh on the live stream she was on quite early within the first hour or two but ITV cleverly, when showing a cut down two hour show of it, put her performance on first, so it looked like she was opening it
I love her live performances so much, it's just the voice!
Yeahh she recorded it for a radio station called Radio One here in the UK, because when artists go on it they do something called Live Lounge, and record a song by another artist. When Leona recorded this it got added to their A-List because people were requesting it so much which is really rare for a live lounge!
here's the performances!
... sadly she didn't sing the full version of "Better In Time" 
I love this song