Kate Aurthur / Variety: Carole Radziwill Joining 'RHONY' Season 16 as 'Friend' of the Cast, Filming to Begin This Week (EXCLUSIVE) ... Representatives from Bravo declined to comment on the DeuxMoi report. - Radziwill left "RHONY" after a difficult season in which she and then-Bravo star (now anti-Bravo activist) Bethenny Frankel feuded intensely.