(CNN) — Actress and singer Mandy Moore has announced she is expecting her second child with her husband, musician Taylor Goldsmith.

“One incredibly seminal chapter of my life just ended and the next one, as a mother of two, is about to start… and are we ever so deeply grateful and excited,” wrote Moore, 38, on Instagram Friday. She added a photo of her son Gus wearing a shirt that says “big brother.”

READ MORE: Tampa Bay Buccaneers Rob Gronkowski announces his retirement, again

“Baby Boy Goldsmith #2 coming this fall!,” said Moore. “Tour is gonna be slightly different than I expected but I can’t wait and Gus is gonna be the BEST big brother!!”

Moore welcomed Gus, her first child with Goldsmith, in February 2021. The couple married in November 2018.

READ MORE: Technology skills program for teens coming to Atlanta

Goldsmith, who is the lead singer of folk band Dawes, shared his own announcement on Instagram, writing that Moore “is gonna be the best MomOf2.”

There’s a good chance I’m the happiest, luckiest person you know (or just follow) and now we’re gonna double it,” he added.

The news comes just as Moore is about to embark on tour. Before making her name as an actress, Moore rose to fame with her 1999 single “Candy” and continues to produce and perform music. Her next show is June 10 in Atlanta, Georgia, according to her website.

MORE NEWS: Delta Air Lines to 'strategically decrease' flights this summer

™ & © 2022 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.