Born on this day in 1943, Sir Michael Philip Jagger (pka Mick Jagger), the English singer-songwriter, musician, composer, actor, best known as the lead singer and one of the founder members of The Rolling Stones, turns 81. Jagger's career has spanned over five decades, and he has been described as "one of the most popular and influential frontmen in the history of rock & roll. In his honor, check out The History Channel’s biography on Mick (above), and scroll down to discover his net worth.