Overindulged during Christmas? Want to get fit once and for all with some of the most outrageous gym trainers known to man? The Fat Fighters invites viewers into the cool, crazy world of fanatical personal trainers in one of London's most extraordinary gyms. The series follows a crack team of four remarkable personal trainers, battling it out to transform the physiques of those in dire need of their help. The team of trainers take on new recruits each week - men and women who feel that this is their last chance to change their bodies for the better. Can these elite trainers, famous for sculpting A-List bodies, give their newest members the biggest physical makeover of their lives? If anyone can then it's these four super trainers: meet Matt Miller AKA 'Miller the Pillar'; Dan Corbett the ripped 'Bad Boy' trainer; trainer to the stars and founder of the 'Pussycat Doll workout' Tamaya Adams; and core conditioning expert 'Ms Red Hot' herself, Dahlia Mikneviciute.