About six months after Tarek filed for divorce in January, Christina has filed divorce papers and requested spousal support, Us Weekly reported.
In the court documents obtained by Us, Christina, 34, cited "irreconcilable differences" as the reason for her split from Tarek.
Christina also requested joint legal and physical custody of their two adorable children -- daughter Taylor, 6, and son Brayden, who turns 2-years-old this month.
In addition, Christina reportedly demanded spousal support from Tarek, 35, and asked that her estranged husband's previous spousal support filing be terminated.
Christina has moved on from the marriage with her new boyfriend, businessman Doug Spedding, while Tarek appears to be living up the single life.
"Their children are only a few years apart, so they've been doing a lot of activities with the kids: ice skating, swimming, BBQs, just low-key stuff at home," a source recently told People of Christina's new romance.
The HGTV reality stars, who wed in May 2009, previously revealed communication in their relationship broke down over the course of several years when Christina was dealing with fertility issues and Tarek was battling cancer. A blowout fight in Spring 2016 reportedly ended it all.
But the duo has said they intend to handle their divorce proceedings "civilly and cooperatively," and they are also still working together on the set of Flip or Flop, which returns in December 2017 will 20 new episodes.
Tarek insisted to Us in July he's in a good place despite his ongoing divorce from Christina after seven years of marriage.
"It was tough at the beginning," Tarek confessed, adding however, that the experience has taught him to communicate and also made him a "better person and better dad."
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"[Co-parenting] been good. We don't let anything between us affect our kids. At the end of the day, you have to do the right thing for the kids, because the kids can tell if there's tension, and that's the last thing that we want."