Adrienne Maloof and Dr. Paul Nassif
07/30/2012 at 11:15 AM EDT
More drama could be forthcoming on Bravo's Real Housewives of Beverly Hills
, as Adrienne Maloof's husband is reportedly seeking to separate from his wife.
Dr. Paul Nassif is said to be preparing to file for legal separation, according to TMZ.com
Maloof, 50, has discussed the situation with Nassif and is aware of his plans, the report says.
A rep for Maloof, contacted by PEOPLE, had no comment.
The couple – he is a plastic surgeon who appeared on E!'s Dr. 90210
; she is the daughter of billionaire entrepreneur George J. Maloof Sr. and an heir to his business empire – were married in 2002.
They have three sons together – Gavin and the twins Colin and Christian.
Additional reporting by HOWARD BREUER