Christina Aguilera: everything you need to know - Christina Aguilera, or X-Tina, has one of the most powerful voices in the music industry. She started singing when she was young and her family has always supported her. The singer has recorded duets with many renowned artists, changed her look countless times, and has been at the center of some controversies. But her talent is undeniable! Click through this gallery to find out all about the life of Christina Aguilera.

0 / 34 Fotos

Profile - Christina María Aguilera was born on 18 December 1980 in New York. She's the daughter of Fausto Wagner Xavier Aguilera, an Ecuadorian-born Sergeant in the US Army, and Shelly Loraine Fidler, a Spanish translator and violin player of Irish background.

1 / 34 Fotos

Early career - Christina started her career in 1990 after her grandmother Delcie Fidler encouraged her to sign up for the talent show 'Star Search.'

2 / 34 Fotos

Talent - Because of her vocal abilities, many talent show contestants would drop out when they heard she'd be there.

3 / 34 Fotos

Official singer - At the age of nine, Christina became the official singer of the Pittsburgh Steelers and hockey team Pittsburgh Penguins.

4 / 34 Fotos

Child star - From 1993 to 1994, she was a part of 'The Mickey Mouse Club' alongside Britney Spears, Keri Russell, and Justin Timberlake.

5 / 34 Fotos

Keizo Nakanishi - Christina Aguilera recorded a duet with Japanese artist Keizo Nakanishi ('All I Wanna Do'). They also shot a music video and toured together.

6 / 34 Fotos

Mulan - She rose to fame after covering 'Reflection,' which was made popular in 'Mulan.'

7 / 34 Fotos

Kelly Clarkson - The song 'Miss Independent,' which was covered by American Idol winner Kelly Clarkson, was written by Christina Aguilera.

8 / 34 Fotos

Comfort - The pop star has admitted she likes to wear Calvin Klein underwear because she finds it comfortable.

9 / 34 Fotos

Food - She's also declared her love for fast food and said her favorite is the Big Bacon Classic from Wendy's.

10 / 34 Fotos

Latin roots - In 2000, the singer recorded her first album in Spanish, 'Mi Reflejo.'

11 / 34 Fotos

Ricky Martin - In 2000, she recorded a duet with Ricky Martin. She also released the hit tune 'Lady Marmalade' featuring Pink, Mya, and Lil' Kim, which was part of the 'Moulin Rouge' soundtrack.

12 / 34 Fotos

Britney Spears - There were rumors Christina and Britney didn't get along, but the two shared a stage during the Video Music Awards to sing Madonna's 'Like a Virgin.'

13 / 34 Fotos

Engagement - In 2005, Christina Aguilera announced her engagement to music producer Jordan Bratman, who she had dated since 2002.

14 / 34 Fotos

Child - On 16 January 2008, she gave birth to her first child Max Liron Bratman.

15 / 34 Fotos

Baby boy - A few weeks after her baby was born, she sold his picture to People magazine for $1.5 million. According to Forbes magazine, the photo was the fifth most expensive picture of a celebrity's child.

16 / 34 Fotos

Video games - Christina made a special cameo in the video game 'The Sims.'

17 / 34 Fotos

Spanish - Although her dad is Ecuadorian and she recorded a whole album in Spanish, the singer doesn't speak the language fluently.

18 / 34 Fotos

Nicknames - The singer's nicknames are Chrissy, Baby Jane, Candy, and X-Tina. The last one is actually tattooed on the back of her neck.

19 / 34 Fotos

Contact lenses - She usually wears contact lenses to make her eyes even more blue.

20 / 34 Fotos

Controversial video - The controversial 2002 music video for her song 'Dirty' is said to have cost $5 million.

21 / 34 Fotos

'Bionic' - Only three months after the birth of her first child, she went back to the studio to record her fourth álbum, 'Bionic.'

22 / 34 Fotos

Acting career - The singer was invited to play the role of Stephanie Necrophuros in the movie 'Nine,' but because of her busy touring schedule she had to refuse it. The role eventually went to Kate Hudson.

23 / 34 Fotos

Piercings - In an interview, X-Tina said she removed all the piercings she had, except for the one through her right nipple.

24 / 34 Fotos

Album sales - Christina Aguilera has sold over 20 million records since her debut album in 1999.

25 / 34 Fotos

Acting debut - She played the role of Ali in the musical 'Burlesque,' alongside legendary pop star Cher.

26 / 34 Fotos

New romance - A few weeks after she confirmed that she and Jordan Bratman had separated, she started dating Matthew Rutler, who she met on the set of 'Burlesque.'

27 / 34 Fotos

Star - The singer has a star on the Hollywood Walk of Fame.

28 / 34 Fotos

Depression - In an interview, she revealed she struggles with depression.

29 / 34 Fotos

Sexual orientation - She has disclosed that she is attracted to both men and women.

30 / 34 Fotos

'The Voice' - On TV singing contest 'The Voice,' she was known for being the 'mommy' of the team.

31 / 34 Fotos

Height - Christina Aguilera is pretty tiny! She's only 1.56 m (around 5 ft 1 in) tall.

32 / 34 Fotos

Conquer - One of the singer's greatest achievements is having a number 1 single in the Billboard Hot 100 charts in three consecutive decades!

33 / 34 Fotos