Making her rounds to promote the second season of "Fashion Star," Jessica Simpson paid a visit to " Jimmy Kimmel Live" on Wednesday night (March 6).

Teasing her Twitter followers beforehand, the “Dukes of Hazzard” cutie tweeted, “Accidental announcement tonight on @jimmykimmel !”

Pregnant with her second child with fiance Eric Johnson, the mom to be stole the show when she let it slip that she is expecting a baby boy!

Explaining her pregnancy woes this time around, Simpson said, "The crazy thing is I never knew a wiener could make me nauseous."