Too funny!

During a candid new interview on the Steve Harvey show — airing Friday, June 17! — Melissa Rivers admitted her 15-year-old son, Cooper, sometimes uses "Grandma guilt" to get things that he wants.

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"I know I have an easy [teenager]… and I am so proud of how far [Cooper] has come in a year-and-a-half because he was so close with my mother, [Joan Rivers], but that guilt of him losing my mother, with me, is wearing thin. Because now every time he wants something, it goes into, 'Well grandma…'" Melissa, 48, joked.

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Melissa and Cooper in February 2015.

"And I'm like, 'Oh fascinating! You know what? No, Grandma would not let you have a Ferrari, I can guarantee that. Grandma would not let you go to [Mexico] unsupervised. No, I can guarantee that," she continued.

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Melissa's late mother, Joan, sadly passed away at age 81 in September 2014. The TV star welcomed son Cooper, her only child, with ex-husband John Endicott in December 2000.

Watch Melissa's interview with Steve Harvey in the video below!