Lenny Kravitz was 27 in Guns N' Roses - Live in Paris when he played an uncredited character.
That was over 32 years ago in 1992.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 59, and has starred in 40 movies in total, 35 of those since Guns N' Roses - Live in Paris was released.
In Guns N' Roses - Live in Paris, I think Lenny Kravitz looks: