Wow! Check out new mama Christina Aguilera’s new post-baby body. Xtina showed off her new curves at her first public appearance since the birth of her son Max at a Back to Basics DVD signing at a West Hollywood Best Buy on Tuesday. Us Weekly report that before her appearance she called in to Ryan Seacrest’s radio to talk about how pregnancy inspired her.

“This whole incredible thing that’s taken place in my life, between the pregnancy and the birth….I’ve got so much in me to write about.This next record, I want to have a lot of fun with it. I’ve been brainstorming for the last nine months of my pregnancy.”