Former Disney star Hilary Duff is going to be an aunt! Yes, it's true Hilary's sister Haylie and her fiance Matt Rosenberg are expecting a little bundle of joy. The proud aunt shared the big news on Twitter and expressed her excitement about her sister's announcement. The mom-to-be also shared the news on Instagram with a precious pic of little baby Jordan's. This will be Haylie and Matt's first child together. Check out the video to see if they are expecting a boy or a girl!