The 'Blow Me (One Last Kiss)' singer got the party started at the Jingle Bell Ball 2012. See pictures of Pink on stage at London's O2 Arena.
Pink - 'So What' (Live Performance, Jingle Bell Ball 2012)
Pink performed 'So What' as part of her headline set at Capital's Jingle Bell Ball 2012.
The track was the first single to be released from Pink's fifth studio album, 'Funhouse'.
In the song's official video, the singer saws down a tree with her and her husband's names carved on it in a heart shape.
She also sang ''Blow Me (One Last Kiss)' during her set at the O2 Arena.
You can watch Pink perform 'So What' here: