Jessie J surprises commuters with performance at St. Pancras

Jessie J surprised commuters with an impromptu performance at St Pancras Station as she revealed she has her 'spicy back' after her cancer battle. The Price Tag singer, 37, delighted lunchtime commuters in London on Tuesday with a surprise performance at the station's iconic public piano to celebrate the release of her album Don't Tease Me With A Good Time.