Louise Redknapp, 47, flashes her toned midriffas she takes to the stage at Flackstock Festival

Louise Redknapp, Pixie Lott and Ashley Roberts lead the stars at Flackstock Festival

Caroline Flack's friends Louise Redknapp and Sky's Sarah-Jane Mee lead tributes at Flackstock

Louise Redknapp sends sweet message to Caroline Flack ahead of Flackstock celebrations today