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

Harry Connick Jr.

Age: 45
Occupation: singer, songwriter, musician and actor
Known For: His seven top 20 U.S. albums and 10 U.S. jazz albums that reached number one on the charts, a throwback style reminiscent of the 1940s Rat Pack singers, and appearing in films such as 'Independence Day' and 'Hope Floats' and on TV shows such as 'Will & Grace'

Tommy Shaw
Age: 59
Occupation: singer, songwriter and musician
Known For: singing lead for the band Styx on hits such as 'Renegade' and 'Babe,' co-writing and singing the rock supergroup Damn Yankees' biggest hit, 'High Enough,' and releasing several solo albums

Virginia Madsen

Age: 51
Occupation: actress
Known For: her Oscar-nominated role in 'Sideways' and appearances in other films like 'The Rainmaker' and 'A Prairie Home Companion,' and on television shows including 'Smith,' 'Monk' and 'The Event'

Moby
Age: 47
Occupation: singer, musician and DJ
Known For: his 1999 album 'Play,' which sold 10 million copies worldwide, spawned eight hit singles and became the first to have all of its 18 tracks licensed for use in movies, television shows, or commercials

Ludacris
Age: 35
Occupation: rapper and actor
Known For: co-founding the Disturbing tha Peace record label, winning a Grammy Award with Lil John and Usher for Best Rap/Sung Collaboration on the 2004 song 'Yeah!', and roles in films like 'Crash,' 'Hustle & Flow' and 'Fast Five'