Katharine McPhee reveals hopes for more kids with David Foster - USA TODAY

McPhee, 38, and Foster, 73, welcomed their first child together, a son named Rennie, in February 2021.

In the photos, McPhee cradled her baby bump while wearing a long powder-blue coat.

In June 2020, the couple celebrated their one-year marriage anniversary, with McPhee sharing photos of their wedding day on Instagram.

The two met in 2006, when Foster mentored McPhee on Season 5 of ABC's "American Idol."

They married at the Church of Saint Yeghiche in the South Kensington district of West London on June 28, 2019, according to US Weekly and People.

The couple's wedding day shares an anniversary with the release of McPhee's "Somewhere Over the Rainbow" cover, her first single after her run on "American Idol."