1. June 8, 1960: He's Simply Red: Mick Hucknall
2. November 25, 1960: Contemporary Christian singer who had a Number One hit duet with Peter Cetera: Amy Grant
3. April 1, 1961: Scottish singer who came to fame singing "I Dreamed A Dream" on Britain's Got Talent: Susan Boyle
4. August 25, 1961: "Achy Breaky Heart" singer and Miley's dad: Billy Ray Cyrus
5. June 19, 1962: Singer, dancer, choreographer, and original American Idol judge: Paula Abdul
6. June 25, 1963: Georgios Kyriacos Panayiotou: George Michael
7. August 12, 1963: He likes big butts and he can not lie: Sir Mix-A-Lot
8. September 30, 1964: Mr. Phish: Trey Anastasio
9. October 30, 1965: Bush singer and guitarist and Gwen Stefani's husband: Gavin Rossdale
10. November 21, 1965: Eccentric Icelandic singer who once wore a swan dress: Bjork
11. February 6, 1966: He's never gonna give you up, never gonna let you down: Rick Astley
12. March 17, 1967: The head Smashing Pumpkin (and no, he wasn't born on October 31): Billy Corgan
13. October 26, 1967: Australian-New Zealander country singer married to Nicole Kidman: Keith Urban
14. April 3, 1968: Skid Row singer, not the German Baroque composer: Sebastian Bach
15. May 28, 1968: Australian singer who can't get you out of her head: Kylie Minogue
16. September 16, 1969: Jennifer Lopez' ex-husband: Marc Anthony
17. December 4, 1969: Beyonce's husband: Jay-Z

Bonus: What singing twins - the sons of a 50s TV star and singer - were born on September 20, 1967?: Gunnar and Matthew Nelson