Will there be an "RHOC" reunion with a lie detector test for Vicki Gunvalson? The question was asked by a caller when Meghan King Edmonds appeared on "Watch What Happens Live" with Andy Cohen on Monday night. Meghan was answering questions from fans and one of them asked her that if she could, would she make Vicki submit to a lie detector test?

Meghan King Edmonds would love for Vicki Gunvalson to take a lie detector test on 'RHOC' reunion

Meghan said if she had the authority to make Vicki take a polygraph during the "The Real Housewives of Orange County" season 11 reunion, she'd do it in a second. She said she doubts that Vicki would ever agree to one, though. Meghan, like the rest of the cast, suspected Vicki was lying about her ex-boyfriend, Brooks Ayers' cancer last year.

A polygraph on reunion specials?

Andy Cohen made clear that no polygraph would ever be submitted on "RHOC" -- or any of the other "Real Housewives" reunions. He said the tests would never get through because everyone would be insisting someone else get one, too.

Word 'liar' comes up in last 'RHOC' episode

On Monday's episode of "RHOC," Vicki Gunvalson and Shannon Beador got into a heated exchange at a party Meghan was hosting for the opening of her candle store. The word liar was thrown around heavily between the the two of them with Vicki claiming she had a big secret on Shannon. Shannon said Vicki was lying, but later made nice with her at Heather Dubrow's book release party. This had fans thinking maybe Shannon was the one lying about not having a secret since she turned things around with Vicki as fast as she could.

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On Twitter Monday night, Shannon was defending herself repeatedly against fans attacking her and charging that she tried getting along with Vicki at Heather's party because she was afraid of Vicki exposing her secret. The cancer scandal that Vicki was in last season of "RHOC" made the cast and fans alike question her authenticity when it came to what she knew. There are a lot of people who feel the same way as Meghan King Edmonds does about Vicki Gunvalson taking a lie detector test.