- December 1
- Sarah Silverman (1970) – Comedian, actress, and writer.
- Zoe Kravitz (1988) – Actress, singer, and model, known for Big Little Lies and Mad Max: Fury Road.
- Aidy Bryant (1987) – Actress, comedian, known for Saturday Night Live and Shrill.
- Bette Midler (1945) – Singer, songwriter, and actress.
- December 2
- Charlie Puth (1991) – American singer, songwriter, and record producer
- Britney Spears (1981) – Singer, songwriter, and pop icon.
- December 3
- Tiffany Haddish (1979) – American actress and comedian
- Anna Chlumsky (1980) – Actress, known for Veep and My Girl.
- Amanda Seyfried (1985) – Actress, known for Mean Girls and Mamma Mia!
- December 4
- Jay-Z (1969) – Rapper, entrepreneur, and music producer.
- Marisa Tomei (1964) – Actress, known for My Cousin Vinny and The Wrestler.
- December 5
- Nicola Peltz Beckham (1995) – Actress, known for Bates Motel and wife of Brooklyn Beckham.
- December 6
- Peyton List (1998) – Actress, known for Jessie and Cobra Kai.
- December 13:
- Steve Buscemi (1957) – American actor and director
- December 14:
- Vanessa Hudgens (1988) – American actress and singer
- December 16:
- Krysten Ritter (1981) – Actress, known for Jessica Jones and Don’t Trust the B---- in Apartment 23.
- December 18
- Katie Holmes (1978) – American actress
- Sia (1975) – Australian singer and songwriter
- Brad Pitt (1963) American Actor
- Christina Aguilera (1980) – American singer and actress
- December 19:
- Jake Gyllenhaal (1980) – American actor
- December 21:
- Samuel L. Jackson (1948) – American actor
- December 26:
- Jared Leto (1971) American Actor , Singer.
- December 27:
- Timothee Chalamet (1986) Actor , American and French
- December 28:
- Denzel Washington (1954) – American actor and filmmaker
- John Legend (1978) – American singer and songwriter
- December 29:
- Kristin Kreuk (1982) – Canadian actress (Smallville)
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December 30:
- LeBron James (1984) – American basketball player
- Tiger Woods (1975) – American professional golfer
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December 31:
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Anthony Hopkins (1937) – Welsh actor
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