Heather Rae El Moussa shared a touching tribute to husband Tarek El Moussa’s ex-wife Christiana Haack in honor of her 42nd birthday: “Most will never understand how we are friends.” ...

Being friends with your partner’s ex doesn’t always have to be weird, and the proof is in Heather Rae El Moussa and Christina Haack ’s inseparable bond. Though Heather is married to Christina’s ...

HGTV star Heather Rae El Moussa tells Fox News Digital how she collaborated with her husband's ex-wife, Christina Haack, for her beauty brand Heather Rae Essentials.