Christina Haack turns to the best when it comes to borrowing date-night outfits.

Christina Haack and Heather Rae El Moussa are opening up their closets to one another as Haack enjoyed a glamorous Mar-A-Lago ...

Christina Haack turns to ... by wearing a cherry-red tie and a dapper black suit. Heather, 37, who is married to Haack’s ex-husband Tarek El Moussa, previously slayed in the look during a ...

Christina Haack and Heather El Moussa are having a heart-to-heart ... stinky sandal version,” and Heather chimes in, “In the same black shirt every day?” Tarek then bursts into the room ...

And Christina was not the only person happy to have her mom and Dominique on board. Heather, who shares son Tristan El Moussa ... is the owner of Latitude 33 Hair Artistry in Anaheim, Calif.

Christina Haack sought style inspiration from her ex-husband Tarek El Moussa's wife ... The star opted for simple black pumps that subtly peeped through underneath the dress.

Christina Haack and Heather Rae El Moussa share more than a baby daddy ... Christina wrote on the photo where she appeared alongside Larocca, who wore a black suit with a matching red tie. Inside Palm ...

Christina Haack laughed off a "sister wives" comment about her friendship with her husband Tarek El Moussa's new wife Heather Rae El Moussa.