VIDEO : See the Post-Baby Mini Dress Carrie Underwood Wore to the 2015 CMT Music Awards

Carrie Underwood stepped out at the 2015 CMT Music Awards last night in a sexy white Thomas Wylde mini dress. Gripping her slim post-baby body, the white long-sleeved number with beaded metallic embellishments fit the new mom like a glove. News exclusively just what size the mini was. ? just three months after giving birth, Carrie fit into a size 2/4! and her post-baby workouts. she said, "I couldn't workout for a few weeks because I ended up having to have a cesarean."??