Kim Kardashian is days away from walking down the aisle and saying 'I Do' to her NBA fiance Kris Humphries. Like any bride-to-be, the curvaceous reality star has been logging hours at the gym to get wedding gown ready - and Shape Magazine has all the details about her workout from her trainer Gunnar Peterson.

Apparently, Kim didn't have to work as hard as most brides-to-be to slip into her Vera Wang!