Katharine McPhee, David Foster smooch on dinner date after welcoming son

Katharine McPhee and David Foster looked every bit in love on a romantic dinner at a restaurant in West Hollywood, Calif.

On Tuesday, the couple who recently welcomed their first child together, a son named Rennie, had a parents' night out. 

The singer, 37, donned a yellow-flowered and cream sundress while the composter, 71, kept it casual in a white button-down shirt and jeans.

The couple wed in June 2019 and welcomed Rennie in February 2021. "We picked [the name] Rennie because I had actually been in labor for a while, we didn’t have a name picked out," she recalled while making an appearance on "Today with Hoda and Jenna" in March. 

KATHARINE MCPHEE SAYS SHE LOVES 'BEING A MOMMY' AS SHE SHARES SWEET PICTURE WITH BABY BOY

"We had a couple [of] names, but my husband was on a text chain with his sisters and one of his sisters suggested an old family name," McPhee revealed.

The "Smash" alum said that the name had belonged to Foster’s great-grandfather and great uncle, so "it has a long history in his family."

"My husband said, ‘Hi, Ren Foster,’ so we said, ‘That’s a good name. That’s a strong name,’" the star said.

KATHARINE MCPHEE REVEALS SHE HAD TO 'PROCESS' 35-YEAR AGE GAP WITH HUSBAND DAVID FOSTER

Things seem to be going well for the new mom, as she said motherhood has been "the sweetest" and "the best" experience.

"I’m in heaven," she added. "It’s really been amazing."

Foster has five adult children from previous relationships. The couple first met in 2006 when McPhee was a contestant on the fifth season of "American Idol" and Foster was a mentor on the singing competition series.

CLICK HERE TO GET THE FOX NEWS APP

McPhee is the Grammy winner's fifth wife.