A modern family! Heather Rae Young is the proud “bonus mom” to her fiancé Tarek El Moussa and his ex-wife Christina Haack’s two kids — Taylor, 10, and Brayden, 6. The Selling Sunset star, 34, recently sat down with Us Weekly and shared why it’s important for her and the family to maintain a relationship with Haack’s ex-husband, Ant Anstead.