Kate Middleton Sexy Stomach Conspiracy

10/19/2013 12:02 AM PDT

Kate Middleton -- The Sexy Stomach Conspiracy


Just 3 months after giving birth -- Kate Middleton's flat, ripped, royal mid-riff accidentally popped out in front of a bunch of London photogs.

That's what the Duchess wants you to believe, anyway ... but one conspiracy theorist ain't biting!