Kings of Leon frontman Caleb Followill and supermodel Lily Aldridge are expecting their second child.
The Victoria's Secret beauty has taken to Instagram to share the happy news, showing off a photo of herself wearing a bikini on the beach, with her burgeoning bump on full display.
"SURPRISE," she captioned the shot.
Lily didn't offer up any further details about her pregnancy, but the child will be a sibling for the couple's daughter Dixie, six.
She and rocker Caleb wed in 2011.
The mother-to-be's fellow models have been quick to share their joy at the news, with Alessandra Ambrosio, Rosie Huntington-Whiteley, Adriana Lima, Irina Shayk, Sara Sampaio, and Winnie Harlow among the many well wishers.
"Congrats!!!" posted Kate Upton, who is expecting her first child with her baseball ace husband Justin Verlander, while Kendall Jenner wrote, "yayyyyyyy".
"LILLLLLY!!!! congrats beautiful mama!!" commented Chrissy Teigen, who gave birth to son Miles, her second kid with singer John Legend, in May (18).
"So excited for you mama lily!!!!!" shared her newly-engaged pal Karlie Kloss, as Joan Smalls added, "Omg (oh my god)!!!!!! congrats".
There were also celebratory messages from Lily's other Hollywood pals, including Julianne Hough, Alanna Masterson, Uzo Aduba, Nick Jonas, and Gwyneth Paltrow, who exclaimed, "WOAH!!!!!!! YEAH!!!!!!"
Lily's big announcement came just days after she shared a snap from a night out with Karlie and Candice Swanepoel, who recently became a mum-of-two.
"Date Night," she captioned the picture of the three stunners. "A night of celebration."
Swanepoel posted the same image on her Instagram page, and gushed, "So much to celebrate! Love you girls! Aaand (sic) boys."