"Happy Anniversary to the love of my life @therealswizzz !! And to make it even sweeter we've been blessed with another angel on the way!!," Keys wrote on Twitter. "You make me happier than I have ever known! Here's to many many more years of the best parts of life!"
The couple already have a 3-year old son named Egypt.
Congratulations to Swizz and Alicia. We wish them a worry free pregnancy and many more years of wedded bliss.