The couple announced the news on The Kelly Clarkson show, just like they did when Trainor was pregnant with their two-year-old son Riley.
The female empowerment anthem samples The Chordettes' "Mr. Sandman."
The pop star is currently four months pregnant with her and husband Daryl Sabara's second child.
Follow along with the lyrics to Meghan Trainor's TikTok viral hit.
