VIDEO: Kourtney Kardashian's Son Mason Makes First Radio Appearance

New mom Kourtney Kardashian brought her son Mason Disick to visit Ryan Seacrest's KIIS-FM radio show. Of course Aunt Kim Kardashian and Grandma Kris Jenner came along to support the newest Kardashian to keep up with!

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"I take Mason everywhere with me," Kourtney wrote on her blog. "We had to stop in and surprise Ryan!"

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During the visit, Ryan joked, "Is the baby ready to feed? He's looking for your breast."

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