No One Saw This Coming From Amber Heard

Happy 30th Birthday, Christina Aguilera!

12/18/2010 9:26am EST

Christina Aguilera

Pop star Christina Aguilera marks a major milestone on Saturday as she turns 30 years old.
Christina AguileraThe singer rose to fame as a child star on the Disney Channel's "The Mickey Mouse Club" alongside her pop contemporaries Britney Spears and Justin Timberlake. She has gone on to carve out a hugely successful career as a solo artist, winning four Grammy Awards and selling over 50 million albums worldwide since she exploded onto the music scene as a teenager in 1999.
Although 2010 was tinged with heartbreak for the star, who split from her husband Jordan Bratman in October, she has ended the year on a high with the presentation of her star on the Hollywood Walk of Fame and a Golden Globes Best Original Song nomination for a track in her new movie "Burlesque."
To mark Aguilera's birthday, WENN has put together 10 interesting facts about the popular music star...

 - She first appeared on U.S. TV in 1990 as a contestant on the "Star Search" talent show

 - Aguilera was born in Staten Island, New York but has both South American and Irish heritage - her father is from Ecuador, while her mother's family originated in Ireland

 - She carved out a music career after recording the theme song for 1998 Disney film "Mulan" - "Reflection" earned Aguilera a Golden Globe Award nomination for Best Original Song

 - After her wedding in 2005, she donated her gifts to charity to help victims of Hurricane Katrina

 - She has described soul legend Etta James as her ultimate musical influence

 - Rolling Stone magazine ranked her number 58 on their list of the 100 Greatest Singers of All Time - she was the youngest entry on the list and the only artist under the age of 30 to feature

 - Aguilera is a longtime champion of animal rights and conservation charities

 - She once made a cameo appearance on TV show "Beverly Hills, 90210"

 - The singer has collaborated with numerous stars throughout her career including Sean 'Diddy' Combs and Ricky Martin

 - Aguilera is listed a co-writer on Kelly Clarkson's second single Miss Independent - she began writing it for her Stripped album, but never finished it.

Christina Aguilera

Christina Aguilera

Sign up for our daily newsletter with great stories like this and more!

Photo Credits: PR Photos