Christina Haack is an American television personality and real estate investor, best known for her role on the home renovation show Flip or Flop. She co-hosted the series alongside her ex-husband, Tarek El Moussa, which premiered in 2013 and showcased their house-flipping projects in Southern California. In addition to Flip or Flop, Christina has starred in her own spin-off series, Christina on the Coast, where she focuses on designing and renovating homes for clients. She has gained popularity for her design style and expertise in real estate, making her a prominent figure in the home improvement industry.