Mick Jagger keeps in shape through ballet

London: Former Rolling Stone`s lead vocalist, Mick Jagger, apparently keeps fit by performing ballet.

The 69-year-old singer`s six-day-a-week fitness regime includes yoga and Pilates, the Daily Star reported. The rocker also practices kickboxing, running, swimming and cycling to keep his 28-inch waist. Jagger asserted to the publication that he trains but does not go crazy. ANI