Britney Spears Singing A Capella For The First Time Since 2005

And it was pretty good! Confidenceney is coming back! <3<3

Last night on the X-Factor, Britney sang "Happy Birthday" to LA Reid. She hasn't been filmed singing a capella since her 'Chaotic' show in 2005.

Here are the only other times she's sang a capella in her career:

1999

2000

2001

2002

2003

2005