United Kingdom, March 17 -- Kimberly Stewart is pregnant.

The 45-year-old model - who is the daughter of rocker Sir Rod Stewart and his second ex-wife Alana - took to Instagram on Sunday (16.03.25) to share a photo in which she showed off her growing bump in a fitted floral dress.

She captioned the post: "Baby boy coming soon [blue heart emoji] (sic)"

Kimberly - who also has 13-year-old daughter Delilah with former partner Benicio Del Toro - didn't share any other information, including the father of her unborn child, and turned off comments on the post.

Her stepmother, Lady Penny Lancaster - who married Rod in 2007 - shared one of the photos on her own Instagram Story and captioned her post: "So happy you're becoming a mom again."

'...