Cassidy and his screen mom film scenes in 1970.
Cassidy goofs off at his home in Los Angeles in 1970.
David Cassidy is photographed at his home in 1970.
The crooner is photographed in 1972.
Cassidy shows off his feathered hairstyle and his tight, tight pants in London.
Photographed on Sept. 9, 1973, Cassidy filmed a scene for an episode called, Beethoven, Brahms and Partridge.
Cassidy poses for a portrait session in the studio in March 1982 in Los Angeles.
Shaun Cassidy and David Cassidy are photographed David's Las Vegas wedding to Kay Lenz at The Little Church Of The West in Las Vegas in 1977.
The singer rocks it out in the '80s.
Cassidy and ex wife Meryl-Ann Tanz were photographed on March 1, 1983.