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Ashlee Holmes, Pete Malleo

Paul Zimmerman/WireImage

Real Housewives of New Jersey star Jacqueline Laurita is going to be a grandma! Or rather, a "glamma."

Her daughter Ashlee Holmes, 25, revealed on her Instagram page Friday she and her new fiancé, Pete Malleo are expecting their first child together. They appeared that night at the launch of The Little Kernel Mini Popcorn, hosted by her step-father Chris Laurita, in Hoboken, NJ.

 "Had so much fun at @thelittlekernal launch party tonight!!" she wrote. "@c3peteo and I are so happy to announce that we're sprouting a little kernel of our own 'coming this fall'!!!"

"Yes, that's right! I'm going to be a #Glamma! @ashleenicholexx @c3peteo #SOExcited," Jacqueline said on her own Instagram page.

Jacqueline Laurita, Ashlee Holmes

Charles Sykes/Bravo/NBCU Photo Bank via Getty Images

Ashlee is Laurita's eldest child. Her dad is Jacqueline's ex-husband, Matt Holmes. The reality star and husband Chris share sons C.J. Laurita, 13, and Nicholas Laurita, 6.

Ashlee announced her engagement to Malleo in February, also via Instagram.

"I said 'yes,'" she wrote. "Thank you for such an amazing day @c3peteo ...I'm so excited for this next chapter of our lives."

"We are so excited to have Pete as a son-in-law and become part of our family," Jacqueline told Bravo's The Daily Dish. "We love him! We are all very happy and excited for the future!"

Ashlee had told E! News Malleo has been her best friend since she was 18.

"We always kind of dated here and there but it got serious a little over a year ago," she said. "When it did, we just knew. Within the first week, we were talking about getting married."

(E! News and Bravo are both part of the NBCUniversal family).