Rob Kardashian claims he's now ready to lose his 'pregnancy' weight

Rob Kardashian is ready to lose some weight! Sharing throwback photos of himself when he was slim & fit and that of his pregnant fiancée Blac Chyna via social media minutes ago, he wrote:

"Oh yeah we snapping back lol,,, baby will be here in 4 weeks and I'm done with carrying this pregnancy weight. me and my baby gonna be right. Motivation Time! we almost there Chy. Faaack Chy looks so bomb here aghhhh"