Kyle Richards responds to 'mean-spirited' and 'unkind' criticism from Paris and Nicky Hilton about 'The Real Housewives of Beverly Hills'

– Nicky Hilton and Paris Hilton have each critiqued "The Real Housewives of Beverly Hills."

– Their aunt Kyle Richards and mother Kathy Hilton are on the show. Richards is an OG housewife.

Richards said she stays for "the laughter and fun" she has on the show on-camera and off-camera.

Kyle Richards rejected claims that "The Real Housewives of Beverly Hills" has lost its "light-heartedness."

"We do have so many laughs on the show," 

Richards told Insider in a new interview promoting her partnership with Jack in the Box.  

Her nieces, Nicky Hilton and Paris Hilton, 

have each publicly criticized the Bravo reality series in recent weeks. 

"I used to love the light-heartedness and escapism of the program,"