Mick Jagger, 72, to become a father for the eighth time

Sir Mick Jagger and his 29-year-old girlfriend Melanie Hamrick are expecting a baby, a spokesman for the Rolling Stone frontman said.

It will be Jagger's eighth child and the first with ballerina Hamrick.

The 72-year-old is a grandfather of five and became a great-grandfather in 2014 when his grandaughter Assisi gave birth to a daughter.

He first became a father in 1970 when his daughter Karis was born to American actress and singer Marsha Hunt.

He has since had six other children with three other women: Bianca Jagger, Jerry Hall and Luciana Gimenez.

His band mate Ronnie Wood became a father again at the age of 68 in May, when his wife Sally, 38, gave birth to twin girls.