Keira Knightley
Keira Knightley is 27 years old. Reuters

Happy birthday to all the March 26 babies! This early spring day seems to be a popular one to be born, and the Associated Press shared the ages and names of some notables.

Actor Leonard Nimoy is 82.

Actor Alan Arkin is 79.

Actor James Caan is 73.

Singer Diana Ross is 69.

Actor Johnny Crawford ("The Rifleman") is 67.

Singer Steven Tyler of Aerosmith is 65.

Singer-actress Vicki Lawrence is 64.

Actor Ernest Thomas ("Everybody Hates Chris," ''What's Happening") is 64.

Actor Martin Short is 63.

Country singer Ronnie McDowell is 63.

Drummer Monte Yoho of The Outlaws is 61.

Country singer Dean Dillon is 58.

Country singer Charly McClain is 57.

Talk show host Leeza Gibbons is 56.

Actress Jennifer Grey ("Dirty Dancing") is 53.

Actor Michael Imperioli ("The Sopranos") is 47.

Guitarist James Iha (Smashing Pumpkins) is 45.

Country singer Kenny Chesney is 45.

Actor T.R. Knight ("Grey's Anatomy") is 40.

Rapper Juvenile is 38.

Actress Amy Smart is 37.

Actress Keira Knightley is 28.