Vicki Gunvalson and Brooks Ayers have called it quits.

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After four years of on-and-off dating, the Real Housewives of Orange County star took to Twitter on Sunday, where she revealed she and Ayers had ended their relationship after four years.

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On Facebook, Gunvalson released a joint statement from herself and Ayers to fans.

"We both wish nothing but a great future for each other," they wrote. "We have come to realized that one can indeed love someone in their heart, but that the time may come for their lives to take separate paths. Though the remaining episodes of Season 10 of ‘The Real Housewives of Orange County’ will show us as a couple, the filming took place in January 2015 through May 2015. There will be no further statements or interviews regarding our relationship as we choose to move on with our lives. Though we choose to live our lives in the public eye, we thank you for your understanding and ask privacy during this difficult time."

For more of Vicki Gunvalson and Brooks Ayers, tune into The Real Housewives of Orange County on Mondays at 9 p.m. on Bravo, and check out the video below, via E! News.