Demi Lovato has just dropped her new single and if you're looking for an epic clap back song for your haters, this one will definitely get the job done. 

Baby, I'm sorry (I'm not sorry)
Baby, I'm sorry (I'm not sorry)
Being so bad got me feelin' so good
Showing you up like I knew that I would
Baby, I'm sorry (I'm not sorry)
Baby, I'm sorry (I'm not sorry)
Feeling inspired 'cause the tables have turned
Yeah, I'm on fire and I know that it burns

With lyrics like these and a killer video clip to match, the track is a real zinger. Take a look and listen (can you spot the celebrity cameos?) and vote for your favourite 'revenge' track below!