Selling Sunset star Heather Rae and husband, Flip or Flop star Tarek El Moussa, announced that they are expecting a baby boy. “Baby boy El Moussa,” the couple wrote Instagram Sunday along with a video celebrating the gender reveal with balloons, confetti and their loved ones. This will be the couple’s first child together. El Moussa has two children with ex-wife Christina Haack. They share a daughter, Taylor and a son, Brayden. Rae and El Moussa got engaged in July 2020 and married in October. In 2019, El Moussa opened up exclusively to uInterview.com after his split from Haack. “I’m doing goo…