Bachelorette winner Jesse Csincsak is going to be a dad.

Csincsak, 28 – who proposed to girlfriend Ann Lueders this year – announced the happy news to RadarOnline.

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In a video, they tell their folks that 26-year-old Lueders — who appeared on the 13th season of The Bachelor featuring Jason Mesnick — is four months pregnant with a boy.

They plan to name their son Noah.

The parents-to-be are slated to wed in Las Vegas at Rumor Hotel

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