Rock veteran Sir Mick Jagger is a great-grandfather.
The Rolling Stones frontman's granddaughter Assisi has given birth to a baby girl, according to Hellomagazine.com.
No further details have been revealed. The tot is the 21-year-old's first child with her chef boyfriend Alex Key.
The arrival means Assisi's mother, socialite and jewelery designer Jade Jagger, is a grandmother at 42. She is also currently expecting a child.
RELATED: Supermodels: The Ultimate Rock Wives
The pair celebrated in March with a joint baby shower.
The birth is some happy news for the Jagger clan, which was rocked following the suicide of Mick's longtime girlfriend L'Wren Scott in March.
- Oct. 20, 2017 Check out the most dramatic celeb hair transformations!
- Oct. 20, 2017 Here are 33 things to know and love about Katy Perry