Jessica Simpson Baby a Boy! Pregnant Starlet Flaunts Baby Bump, Reveals Gender on 'Jimmy Kimmel' [VIDEO]: 'Wiener Makes me Nauseous!'

Jessica Simpson has confirmed that her second baby with fiance Eric Johnson is a boy, and she revealed the happy gender news on a recent episode of "Jimmy Kimmel Live" - totally on accident! When Kimmel asks how the starlet's feeling during her second pregnancy, Simpson bluntly exclaims, “I just feel awful, I’ve been vomiting... The crazy thing is, I never knew a wiener could actually make me nauseous!” She then gives Kimmel a shocked look of "OMG, Oops!" Guess that makes it pretty obvious that she's not having another girl!

After giving birth to adorable daughter Maxwell on May 1, 2012, 32-year-old Simpson sent out this cute tweet on December 25 (Christmas Day), confirming her second pregnancy:

@JessicaSimpson: "Merry Christmas from my family to yours!"

Simpson and her NFL beau Johnson have remained relatively hush-hush about the pregnancy ever since then. That is until Simpson appeared on Wednesday evening's episode of "Jimmy Kimmel Live" (March 6). Check out the rather amusing gender reveal... which even comes as a shock to Simpson!

After the silly wiener joke, Simpson admits, “Well, I guess I just told the world I’m having a boy.” Kimmel of course makes a joke out of the situation by stating, “Oh, I didn’t even know it was that. I thought maybe you were having a girl with a penis.”

The little on-air slip-up obviously didn't bother Simpson - she laughed it off and even tweeted this after the show:

@JessicaSimpson: "Accidental announcement tonight on @jimmykimmel."

Simpson looked absolutely stunning on "Jimmy Kemmel" and appears totally content and happy - so even she didn't mean to reveal her second baby's gender, everything seems absolutely fine! Congrats to the happy couple! Check out the rest of the interview here: