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

Mariah Carey
Age: 42
Occupation: Singer and Songwriter
Known For: Selling in excess of 200 million records worldwide and charting dozens of singles including 'Vision of Love,' 'Hero' and 'One Sweet Day,' suffering a very public physical and emotional breakdown in 2001, her marriage to actor and TV personality Nick Cannon, and her recent hilariously loopy appearances as a pitchwoman on HSN

Stacy 'Fergie' Ferguson
Age: 37
Occupation: Singer and Songwriter
Known For: Being a former member of the children's TV series 'Kids Incorporated' and the girl group Wild Orchid before achieving superstar status with the Black Eyed Peas, singles with them including 'Let's Get It Started' and 'Boom Boom Pow,' solo hits such as 'Fergalicious' and 'Big Girls Don't Cry,' and her marriage to actor Josh Duhamel

Quentin Tarantino
Age: 49
Occupation: Director, Screenwriter and Actor
Known For: Winning an Oscar for Best Original Screenplay for 'Pulp Fiction,' garnering multiple nominations for 'Inglourious Basterds,' and helming other films including 'Reservoir Dogs,' 'Jackie Brown,' and the 'Kill Bill' film franchise

Jessie J
Age: 24
Occupation: Singer and Songwriter
Known For: Selling 11 million singles and two million albums worldwide, songs such as 'Price Tag' and 'Domino,' and co-writing songs like Miley Cyrus' 'Party in the U.S.A'

Brenda Song
Age: 24
Occupation: Model and Actress
Known For: Starring in the Disney Channel shows 'The Suite Life of Zack & Cody' and 'The Suite Life on Deck,' appearing in films such as 'College Road Trip' and 'The Social Network,' and her engagement to Trace Cyrus, the older brother of former fellow Disney star Miley Cyrus