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

Shania Twain
Age: 47
Occupation: Singer and Songwriter
Known For: Country/pop crossover hits such as 'You're Still the One,' 'That Don't Impress Me Much' and 'Man! I Feel Like a Woman!,' five Grammy awards, her divorce from music producer Mutt Lange after he had an affair with her best friend, and her eventual karmic-justice marriage to that former friend's ex-husband

Jack Black
Age: 43
Occupation: Actor, Comedian, and Musician
Known For: Roles in films such as 'High Fidelity' and 'The School of Rock,' voiceover work in the 'Kung Fu Panda' franchise, and being half of the musical comedy duo known as Tenacious D

Daniel Stern
Age: 55
Occupation: Actor
Known For: Roles in 'Breaking Away,' 'City Slickers' and the 'Home Alone' films, and voicing the narration for the iconic TV series 'The Wonder Years'

Jason Priestley
Age: 43
Occupation: Actor and Director
Known For: His role as the virtuous Brandon Walsh on 'Beverly Hills, 90210,' and later playing against type in movies like the campy 'Die, Mommie, Die!'

LeAnn Rimes
Age: 30
Occupation: Singer, Actress and Egomaniac
Known For: Her hit 'Blue' when she was only 13, winning two Grammys, the scandal that erupted when she and her now-husband left their respective spouses for each other, and her sad transformation into a spotlight-hungry tabloid queen