Jessica Simpson accidentally reveals the sex of her unborn baby! She's having..

A boy!!!

Congrats are in order for singer turned designer Jessica Simpson! She accidentally let it slip tonight on Jimmy Kimmel that she's having a boy! How wonderful! Here's how it went down..

The 32 year old was a guest on Jimmy Kimmel on Wednesday night  and the host greeted her saying "It's time to have this baby already" to which Jessica replied "I know, I cant believe I'm pregnant again!"

She then cracked a joke saying "The crazy thing is I never knew a weiner could make me nauseous". And there goes the baby announcement   After realizing she let the sex of the baby slip she laughed "I can't believe I just did that, that was not planned"

The Fashion star judge didn't seem too worried about the slip up tweeting "Accidental announcement tonight on @jimmykimmel

Loves it! Jessica has a daughter with her fiance Eric, so the boy will be the perfect addition to her growing family.

Thoughts?