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

Constantine Maroulis
Age: 37
Singer and Actor
Known For:
Placing sixth in the fourth season of 'American Idol,' and his role in the musical 'Rock of Ages.'

Cassandra Peterson
Age: 61
Occupation: Television Personality
Known For: Her on-screen horror hostess character "Elvira, Mistress of the Dark," her black, cleavage-enhancing gowns, and her snarky wit

Baz Luhrmann
Age: 50
Occupation: Director, Screenwriter, and Producer
Known For: His movies 'Strictly Ballroom,' 'William Shakespeare's Romeo + Juliet,' 'Moulin Rouge!,' and 'Australia'

Kyle Chandler
Age: 48
Occupation: Actor
Known For: Starring roles on the TV shows 'Early Edition' and 'Friday Night Lights,' and in films such as 'Super 8'

Jimmie Johnson
Age: 37
Occupation: NASCAR Driver
Known For: Being the only driver in NASCAR history to win five consecutive championships, recording 54 wins, 214 top-tens, and 25 pole positions, and being the first race driver to become the Associated Press Male Athlete of the Year