
Listen carefully -- after ending the routine by jumping on the judges booth, Melissa gets flustered and clearly says "My boob came out!"
Unfortunately, the camera dude missed the money shot...

What a fake! First the fake injury....anyone with a genuine rib injury knows you can't dance like she did with one. And then the oh my boob popped out..look around...drama...pause oops I think the camera didn't capture it...turn to Tony hey did you see that "my boob fell out".
Britney Spears might miss a lot more 'X Factor' auditions ... because she can! Simon Cowell gave Brit damn near free reign in order to sign the pop star to that $15 million deal -- but is it backfiring? We'll tell you what peeps on the set are saying.Plus, Chris Jericho's…