Here’s a look at some notable birthdays being celebrated today:

Jamie Lee Curtis
Age: 53
Occupation: Actress and Pitchwoman
Known For: Rising to fame in horror films like ‘Halloween’ and ‘Prom Night,’ other famed roles in ‘A Fish Called Wanda,’ ‘Trading Places,’ ‘Perfect,’ and ‘Freaky Friday,’ her long marriage to director Christopher Guest, and her much-mocked gig as a spokesperson for Activia yogurt

Scarlett Johansson
Age: 27
Occupation: Actress
Known For: Her Academy Award nod for ‘Lost in Translation,’ appearing in a whole slew of Woody Allen movies, her former marriage to actor Ryan Reynolds, and practically burning down the internet when nude photos stolen from her phone recently hit websites

Billie Jean King
Age: 68
Occupation: Tennis Player
Known For: Being one of the most celebrated players in history after winning 12 Grand Slam singles titles, 16 Grand Slam women’s doubles titles, and 11 Grand Slam mixed doubles titles, and emerging victorious in 1973′s much-hyped “Battle of the Sexes” match against Bobby Riggs

Mariel Hemingway
Age: 50
Occupation: Actress
Known For: An Oscar nomination for ‘Manhattan,’ stirring teenaged loins the world over with her portrayal as a bisexual in ‘Personal Best,’ and being the granddaughter of celebrated writer Ernest Hemingway

Mark Ruffalo
Age: 44
Occupation: Actor
Known For: Roles in ‘Eternal Sunshine of the Spotless Mind,’ ‘Zodiac,’ and ‘Shutter Island,’ an Oscar-nominated turn in ‘The Kids Are All Right,’ and successfully recovering from a benign brain tumor in 2002