She delighted her TV chat show mother earlier this year when she told her she was pregnant.
Now Lorraine Kelly has another reason to be cheerful after her daughter Rosie Smith has revealed she is due to get married.
The 29-year-old shared the details of the exciting development by posting a series of photos of her showing off her engagement ring after her boyfriend Steve White popped the question on holiday.
The couple have been sunning themselves in Malaga, Spain, ahead of the birth of their first child.
Posting photos of her wearing the new sparkler, Ms Smith wrote: ‘There are too many lovely things going on and I’m not quite sure what to do with myself.
Glowing Rosie relaxes in shades, with her solitaire engagement ring proudly on show
‘Everyone always told me you’ll know when it’s about to happen but I had absolutely no idea, but I have a lifetime to get you back [Steve White].’
The images showed Ms Smith, the only daughter of the ITV daytime star and her husband Steve Smith, dressed in a white dress and sunglasses, sitting at a table in a restaurant with incredible sea views and palm trees in the background.
Mum Lorraine, 64, replied, writing: ‘So happy - it’s such lovely news and I will have a son as well as a granddaughter.’
She cradles her bump in a photo taken during the couple’s holiday in Malaga, Spain
Delighted chat show host mum Lorraine congratulated her daughter on her engagement news
Rosie is due to marry her boyfriend Steve White after he popped the question, and the couple will welcome a baby girl in September
In May, Ms Smith revealed her pregnancy, sharing a photo of herself cradling her growing baby bump, with a caption saying: ‘We could not be more excited - you’re already so loved little one.’
Glasgow-born mum Lorraine was quick to share her own joy at the news, writing: ‘The most exciting thing to have ever happened in our family. Cannot wait to be a granny and so proud of Rosie and her Steve.
■ Click here to visit the Scotland home page for the latest news and sport