Christina Haack shared a story about her mother-in-law on The Flip Off, her and ex-husband Tarek El Moussa's new HGTV series.

Christina thanked Heather for lending her the racy gown for her glam outing, which Heather previously defended online ...

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

Christina Haack sought style inspiration from her ex-husband Tarek El Moussa's wife, Heather Rae El Moussa, on Friday ahead of her romantic date night with her new boyfriend.

Christina Haack turns to the best when it comes to borrowing date-night outfits. Haack, 41, took to Instagram on Thursday, February 6, to show off the sexy gown she was lent by Heather El Moussa ...

Christina Haack and Heather Rae El Moussa share more than a baby daddy ... a mother I can’t wear a pretty dress that makes me feel beautiful?” she wrote in response at the time.

Christina Haack and Heather Rae El Moussa have made strides in their relationship ... I can't wear a pretty dress that makes me feel beautiful?' She added, 'What does that have to do with anything?

Christina Haack and Heather Rae El Moussa share more than a baby daddy ... “So because I’m a mother I can’t wear a pretty dress that makes me feel beautiful?” she wrote in response at the time. “What ...

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

Flip Off' star Christina Haack took to her Instagram Stories on February 6 to share a photo with boyfriend Christopher ...