- Dec 8 Sam Hunt, American country pop singer (Take Your Time), born in Cedartown, Georgia
- Dec 15 Joshua Third, British Guitarist in The Horrors.
- Dec 20 David Tavaré, Spanish singer, born in Pollença, Spain
- Dec 22 Basshunter [Jonas Erik Altberg], Swedish record producer and DJ (Now You're Gone), born in Halmstad, Sweden
- Dec 24 Jehnny Beth [Camille Berthomier], French musician, singer-songwriter (John & Jehn; Savages; To Love Is to Live), born in Poitiers, France
- Dec 25 Jessica Origliasso, Australian singer-songwriter and actress (The Veronicas), born in Albany Creek, Queensland, Australia
- Dec 25 Lisa Origliasso, Australian singer-songwriter and actress (The Veronicas), born in Albany Creek, Queensland, Australia
- Dec 27 Pleasure P. [Marcus Cooper], American R&B singer (Pretty Ricky), born in Miami, Florida
About December 1984
How Old? 36 years old
Generation: Millennial
Leap Year: Yes
Chinese Zodiac: Rat
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)