When Britney hits number one with a track as catchy and as instant as this - we just have to do it. 'Oops!... I Did It Again' is that massive hit that needed that Almighty treatment - a journey of total pop magic! With no dance mixes of Britney's version we knew it would work - and it has! Two mixes give the DJs all they need to rock the floor - one Fired Up and the other Definitive!