An apple a day keeps the doctor away but how does it link to one of our JBB stars?

This image appears in the gallery:
Guess The Jingle Bell 2013 Sunday Line-Up

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 

10. 18 images

See the full gallery: Guess The Jingle Bell 2013 Sunday Line-Up