Famous Celebrity birthdays on August 21 Born in United States August 21Born in United Kingdom August 21Born in Canada August 21Born in France August 21Born in India August 21Born in Australia August 21 Paris Bennett (35 years)Anjanette Astoria (50 years)Mitchell Anderson (62 years)Britney (40 years)Donal Lardner Ward (59 years)Sergey Brin (50 years)Kacey Musgraves (35 years)Brenda Baldwin-Davis (67 years)Michael Lamonsoff (42 years)Maxim Knight (24 years)Stephen Hillenburg (62 years)Thomas S. Monson (91 years)Princess Margaret (72 years)Liam Howlett (52 years)Ty Wood (40 years)Barry Foster (75 years)Janet Baker (90 years)Henry Ainley (66 years)Richard O'Connor (92 years)Carrie-Anne Moss (56 years) ← OlderNewer →