Mick Jagger just found out that he's going to be a great-grandfather!
Jagger's 21-year-old granddaughter, Assisi, is reportedly expecting her first child with her boyfriend next year. Assisi is the daughter of Jade Jagger, who is the only daughter Mick Jagger had with Bianca Jagger.
Mick Jagger, 70, is still performing with his iconic rock band, and now he joins a list of cool great-grandparents, real and fictional. Who else tops the list?
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