'RHOBH' Season Five Cast: Adrienne Maloof And Camille Grammer Return?

The Real Housewives of Beverly Hills may be welcoming back two former stars to season five.

Although filming on the show's fifth season has already begun, rumor has it that Bravo hasn't officially decided on the cast -- and that they are currently working with Camille Grammer and Adrienne Maloof for possible returns to the series.

"Camille Grammer and Adrienne Maloof are the secret to restoring the show to its former ratings glory ... at least that's what producers are banking on," sources connected with the show told TMZ on June 30.

Over the last few years, both Grammer and Maloof were reportedly axed from the series, Grammer after her story lines went dull following her divorce from Kelsey Grammer, and Maloof after she failed to show up to the season three reunion taping. However, now that the ratings have dropped and Joyce Giraud and Carlton Gebbia have left the series, producers are reportedly planning to bring them back in hopes of restoring the show to what it once was.

Kim Richards Spotted Filming 'RHOBH' With Daughters

According to TMZ, Grammer and Maloof have already filmed at least one scene for season five of The Real Housewives of Beverly Hills.

If Maloof does return to the series, fans shouldn't expect to see much of her personal life. Of her story line, TMZ's source claimed Maloof's ex-husband, Dr. Paul Nassif, and their three children, son Gavin, and twins Colin and Christian, will not be seen or discussed on the show.

The show is expected to return to Bravo this fall.