Now and then: '60s and '70s rockers

POSTED: 11:21 PM PDT Sep 22, 2011    UPDATED: 11:00 PM PDT Jul 25, 2016 
Mick Jagger, July 2015 concert

With Mick Jagger turning 73 on Tuesday, click on to see how the music icon and other rockers from the 1960s and 1970s have aged over the years.