In the event someone might be bored:
Same theme - songs featured in movie musicals:
1. Michael Caine (two words in title) + Bette Davis (one word in title)
2. Kathryn Grayson (one word in title )- ( think we had this one before - I've lost track) + Robert Wagner (two words in title)
3. Same movie:
a. June Frazee (title)
b. Robert DeNiro (one word in title) + Austin Pendleton (two words in title)
4. Dane Clark (two words in title) + Miranda Richardson (one word in title)
Clues upon request!