Good Night, Sweetheart

The song Good Night, Sweetheart, was featured in movies like Duck Soup, Half Angel, Holiday in Mexico and Rudy Vallee Melodies. What Movie makes the best use of Good Night, Sweetheart in it's soundtrack?

Good Night, Sweetheart was featured in the following movies:

Duck Soup

Half Angel

Holiday in Mexico

Rudy Vallee Melodies

You Can't Take It with You

You Were Meant for Me