We're No Angels has just been released on DVD, and it's in Technicolor from Paramount in 1955 with Humphrey Bogart. Joan actually sings a duet with Leo G. Carroll in this one. Prior to the 60s, Joan did few color films- Nob Hill from 1945 with George Raft is one, a period musical from 20th Century-Fox, and I believe she sings in it, too. Unfortunately, it's not on DVD.