Adrienne Maloof 'Let Go' From The Real Housewives of Beverly Hills, Source Says

Another one bites the dust.

Following the news of Camille Grammer's departure from The Real Housewives of Beverly Hills, sources have confirmed that Adrienne Maloof will not be returning for season 4 – and that she was fired.

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"She was let go," says a source close to Bravo's hit show. "Producers were sick of her constant tardiness and her issues."

But a source close to Maloof, 51, disputes that, saying, "It was her decision to leave. Adrienne is very happy."

Maloof – who is currently dating 32-year-old Sean Stewart – did not participate in the season 3 reunion, citing legal reasons related to her divorce from Paul Nassif.

RELATED: Camille Grammer Leaving Real Housewives of Beverly Hills

"The producers were begging Adrienne to come back to the show and the reunion right up until the last minute," the Maloof source says.

Whether or not she was fired or made her own decision to leave the show, the Maloof source says she's not looking back: "Housewives was part of her past. She's looking to the future."

Taylor Armstrong, Kim Richards, Lisa Vanderpump, Adrienne Maloof, Brandi Glanville, Yolanda Foster and Kyle Richards