Famous Celebrity birthdays on December 20 Born in United States December 20Born in United Kingdom December 20Born in Canada December 20Born in France December 20Born in India December 20Born in Australia December 20 Joanna 'JoJo' Levesque (33 years)Jonah Hill (40 years)David Cook (41 years)Joyce Hyser (66 years)Angel Tompkins (80 years)Irene Dunne (125 years)Jillian Grace (38 years)Audrey Totter (96 years)Peter Criss (78 years)Gia Allemand (40 years)Sarah Larson (45 years)Sloane Momsen (27 years)Wendy Hamilton (56 years)Claudia Jennings (30 years)David Wright (41 years)Chris Robinson (57 years)John Hillerman (91 years)Roy Williams (42 years)Mala Powers (76 years)Melissa Lingafelt (34 years)← Older