Liberty Ross Files for Divorce From Rupert Sanders: Report

Liberty Ross and Rupert Sanders are officially over. The British model, 34, has filed for divorce from her director husband, 41, in L.A. County Superior Court, TMZ reports.

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According to the site, Ross is asking for joint custody of the couple's two children, Skyla, 7, and Tennyson, 5, as well as spousal support and attorney's fees. She is represented by celebrity attorney Laura Wasser, who has handled cases for Ryan Reynolds, Heidi Klum, Kim Kardashian, andBritney Spears.

Sanders, repped by Lance Spiegel, has reportedly filed a response to his wife's petition in which he also requests joint custody. However, he is not seeking spousal support and wants to share the costs of attorney's fees.

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The news of the couple's imminent divorce comes several months after Us Weekly revealed that theSnow White and the Huntsman director had been caught cheating with Twilight actress Kristen Stewart, 22, in July 2012. Stewart and her boyfriend, Robert Pattinson, reconciled shortly after the affair, but Ross and her husband faced a more uncertain future. In October, they appeared to be trying to work things out when they were spotted embracing after an alleged counseling session. Later that month, they put up a united front to take their kids trick-or-treating in Los Angeles