REAL Housewives of Beverly Hills fans got a good laugh from show newbie Kathy Hilton.
In a video with her sister and show OG, Kyle Richards, she seemed to forget which network airs the long-running reality show.
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In an Instagram video, Kyle told her older sister, Kathy: "Everyone has got to tune in for the West Coast feed at 8 o'clock."
Kathy replied: "And which is it on, cause a lot of people ask me."
Kyle answered: "What do you mean, what channel is it on, it's on Bravo, Kathy."
Fans laughed commenting: "Kathy is truly the purest form of chaos I've ever seen, and I can literally not get enough."
Another added: "She is SO effortlessly hilarious. I need 100 more seasons with Kathy."
A third added: "We don't deserve Kathy."
Others said: "IT'S ON BRAVO KATHY."
Another shared: "Kathy reminds me of myself a lot. I'm always so out of it."
One follower wrote: "Bravo Kathy, Bravo!"
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Kathy joined RHOBH is season as a friend of the show.
Kyle and Kathy's younger sister, Kim, also appeared on the show in past seasons.
A fan recently asked Kyle over : "Does it feel different having one sister on the show versus the other? Your whole family are riots in their own ways. Very entertaining lol."
Kyle said: "Very ... we are all so different yet so much alike."