Jacqueline, a 40-year-old divorcee with an adorable son, loving fiance and beautiful home has an almost perfect life, apart from her rather imperfect extra three stone.
Lisa, a 27-year-old born again Essex virgin, has decided on separate bedrooms until her wedding night but is now dreading her hubby-to-be seeing her love handles.
Katrina, a 25-year-old Welsh WAG in-waiting, must fight her carb addiction and binge drinking so she can face her fiancé on the big day.
All three brides-to-be have no idea that Gillian will have them competing against each other for the wedding dress of their dreams - and diet dictator McKeith is determined to make sure that their big day will involve a smaller dress.