- Dec 8 Jakub Józef Orliński, Polish operatic countertenor singer, and break-dancer, born in Warsaw, Poland
- Dec 9 LaFee [Christina Klein], German pop-rock singer, and actress, born in Büsbach, Germany
- Dec 10 Teyana Taylor, American singer-songwriter, actress and TV personality (Teyana and Iman), born in New York City
- Dec 20 Bugzy Malone [Aaron Davies], English rapper and songwriter ("Out of Nowhere"), born in Manchester, England
JoJo [Joanna Levesque] (33 years old)
Dec 20 American pop singer-songwriter ("Too Little Too Late"; "Baby It's You"), born in Brattleboro, Vermont
- Dec 21 Gianluca Buccellati, American record producer, songwriter, and multi-instrumentalist (Arlo Parks; Tei Shi,; White China), born in Mount Kisco, New York
- Dec 23 Anna Maria Perez de Tagle, American actress, model, and singer, born in San Francisco, California
- Dec 28 David Archuleta, American singer (American Idol runner-up), born in Miami, Florida
About December 1990
How Old? 33 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Horse
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)