Maria Menounos got engaged!

Television personality Maria Menounos got engage by her boyfriend of 19 years, keven Undergaro, are engaged. Undergaro proposed to Menounos on Wednesday during the star's appearance on Howard Stern's SiriusXM radio show.

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Maria Menounos and Keven Undergaro

The Howard Stern Show; Inset: Slaven Vlasic / Getty

Menounos, 37, promoting her new book, The EveryGirl's Guide to Cooking, when Undergaro popped the question on air.

"Although I said that this isn't a proposal, I want to ask you something," Undergaro asked the bride-to-be before getting down on one knee. "Will you make me the happiest man on Earth?"
   "This I wouldn't joke about," he said. "I love you so much and this show's meant so much to both of us. … Why not make it official now? Will you honey? Will you accept?"

After putting on the ring  (which Stern's co-host Robin Quivers described as "big"), Menounos' parents Costas and Litsa Menounos entered the studio.Menounos and Underago have been dating since April 1998, and regularly work together on their joint AfterBuzz TV online network.Congrat!