Update: One week has gone by. No one has given the correct answer yet, but poster Cardinal Martini came awfully close with an awesome guess. Would you like to know who our Mystery Star is?
shown top, in Vaudeville (1927), and bottom, in a portrait from the late 1930's.
"I'm most grateful to have had that joyous time in motion pictures. It really was a Golden Age of Hollywood. Pictures were talking, they were singing, they were coloring. It was beginning to blossom out: bud and blossom were both present."