Solid Potato Salad

The Ross sisters (Aggie, Maggie and Elmira) in Broadway Rhythm (1944).

Contortionists freak me out a little bit, but these gals are amazing. (Thanks to Andy for the link!)

Swinging on a Star

Bing Crosby and a boys' choir in Going My Way (1944).

Have Yourself a Merry Little Christmas

Judy Garland & Margaret O'Brien in Meet Me in St. Louis (1944).