Andy Cohen is Officially a Dad: 'I'm in Love'

May 20, 2018 file photo, Andy Cohen arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas.
Photo credit (Photo by Jordan Strauss/Invision/AP)

LOS ANGELES (AP/KMOX) — "Watch What Happens Live" host and St. Louis native Andy Cohen is a dad.

The 50-year-old posted on Instagram that Benjamin Allen Cohen was born Monday. He weighed 9 pounds 20 ounces (4 kilograms 649 grams) and is named for Cohen's grandfather.

WOW! This is my son, Benjamin Allen Cohen. He is 9 lbs 2 ounces !! 20 inches !! Born at 6:35 pm, PT He is named after my grandfather Ben Allen. I’m in love. And speechless. And eternally grateful to an incredible surrogate. And I’m a dad. Wow. ♥️--

A post shared by Andy Cohen (@bravoandy) on Feb 4, 2019 at 8:03pm PST

Cohen wrote he's "in love" and "speechless.

Cohen says he's "eternally grateful to an incredible surrogate."

Cohen announced on his program in December that he was expecting a child "after many years of careful deliberation, a fair amount of prayers and the benefit of science."

Cohen is the executive producer of such reality series as "Real Housewives."