Each of these records features someone else famous "guest starring" - singing backup, playing guitar, playing other instruments. I've given you the name of the record, and the job that the "guest star" does - you tell me who it was.

1. Bad Blood, Neil Sedaka (singer)
2. Don't Forget Me When I'm Gone, Glass Tiger (singer)
3. Beat It, Michael Jackson (guitarist)
4. You're So Vain, Carly Simon (singer)
5. Back in the High Life, Steve Winwood (singer)
6. All Those Years Ago, George Harrison (musicians)
7. Wishing You Were Here, Chicago (singers).
8. Shiny Happy People, REM (singer)
9. Teach Your Children, Crosby, Stills, Nash & Young (steel guitarist)
10. Fire Lake, Bob Seger (singers)
11. Party All The Time, Eddie Murphy (singer)
12. Rock Your Baby, George McCrae (musicians)
13. Gotta Serve Somebody, Bob Dylan (guitarist)
14. Somebody's Watching Me, Rockwell (singer)
15. Sunshine Superman, Donovan (guitarist)
16. Dance, Dance, Dance (Yowsah, Yowsah, Yowsah), Chic (singer)
17. Fame, David Bowie (singer)

Bonus: Hold Me 'Til The Morning Comes, Paul Anka (singer)