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

The blond bombshells share more than just their taste in men as Tarek El Moussa’s current wife let his former into her closet ...

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

...and she borrowed Heather Rae El Moussa's dress to do it.

Christina Haack has maintained a friendly relationship with Tarek El Moussa and his wife Heather Rae El Moussa ...