Alicia Keys, Kasseem 'Swizz Beatz' Dean

Alicia Keys and Swizz Beatz are about to become proud parents again.

Keys, 33, announced that she was pregnant by posting a picture of her sizable baby bump on Instagram late Wednesday night in honor of her wedding anniversary.

"Happy Anniversary to the love of my life @therealswizzz !!" Keys wrote, along with a picture of the couple. "And to make it even sweeter we've been blessed with another angel on the way!! You make me happier than I have ever known! Here's to many many more years of the best parts of life!"