Lady Gaga is as famous for her outfits as she is for her songs. See the star over the years...
1. Lady Gaga as a child
Lady Gaga was born Stefani Germanotta to Cynthia and Joseph on March 28th, 1986. She went to the Convent of the Sacred Heart, a private all-girls Roman Catholic school in Manhattan. She taught herself how to play piano by ear when she was four years old.
2. Lady Gaga in her yearbook
In her school year book, there's no indication of the style icon Gaga would become. Pic: Splash News
3. Lady Gaga before the fame
Who would have known this girl would go on to conquer the world and sell nearly 100 million records worldwide?
4. Stefani Germanotta performs
Back in 2006, Stefani Joanne Angelina Germanotta was yet to undergo a radical image transformation...
5. Lady Gaga is born
...By 2008, Stefani became Lady Gaga. She got a record deal and started experimenting with her image, but her outfits - like this Little Red Riding Hood ensemble - weren't as outlandish as they'd become. She got the name from the song Radio Gaga by Queen.
6. Lady Gaga and The Fame
...But by the time she was readying The Fame in 2009, her trademark eccentric sense of style was taking form.
7. Lady Gaga in Munich
On the red carpet in Munich in January 2009, Lady Gaga's outfits had begun to indicate where her style might lead towards, but her hair and make-up was still, by her standards, fairly pedestrian.
8. Lady Gaga is pretty in pink
Gaga had taken the UK by storm by the time of the BRIT Awards 2009.
9. Lady Gaga's family
'I am a real family girl. When it comes to love and loyalty, I am very old-fashioned,' she told Vogue. 'And I am quite down-to-earth for such an eccentric person,' she insists. Gaga still lives with her parents!
10. Lady Gaga's bubbles
Blowing bubbles! This is still one of our favourite Gaga outfits. Have you ever seen anything like it?
11. Lady Gaga's pink hairbow
The hairbow was one of Gaga's first truly innovative looks, but who was to know where she would go from here...?
12. Lady Gaga's Minnie Mouse impression
Her 18-month Monster Ball Tour remains one of the highest-grossing tours of all time, raking in a whopping $227,400,000.
13. Lady Gaga at the BRIT Awards 2010
All eyes, as expected, on Lady Gaga at the BRIT Awards 2010!
14. Lady Gaga's Fame Monster EP
The Fame Monster EP shipped three million copies in Europe alone, as Gaga continued to prove she has the substance as well as the style.
15. Lady Gaga's meat dress
The meat dress Lady Gaga wore to MTV's VMAs in 2010 is arguably her most controversial... So far!
16. Lady Gaga performs
Her 18-month Monster Ball Tour remains one of the highest-grossing tours of all time, raking in a whopping $227,400,000.
17. Lady Gaga accepts her Grammy
In 2011, sociologist Mathieu Deflem of the University of South Carolina began a course titled Lady Gaga and the Sociology of Fame. Where do we sign up?
18. Lady Gaga rocks the Grammy Awards 2011
Scrambled eggs! Lady Gaga rocked the Grammy Awards once again in 2011. So far, she's won five, having been nominated for an impressive three Best Album gongs.
19. Lady Gaga at the Grammy Awards 2012
At the Grammy Awards this year, Lady Gaga stood apart from the crowd with a gold cane and a black veil.
20. Lady Gaga's pink hair
With 42,078,000 digital copies sold, Gaga is the fourth most downloaded artist of all time.
21. Lady Gaga and Beyonce
Lady Gaga counts Beyonce amongst her celebrity friends. The pair released smash hit Telephone in 2009.
22. Lady Gaga's parents open a restaurant
Joseph and Cynthia Germanotta, opened a New York eatery named Joanna Trattoria with the help of Gaga. 'It's a real family effort,' an insider reportedly revealed. 'They've all been getting stuck in.'
23. Lady Gaga as Marilyn Monroe
Some like it hot: Gaga is an avid fan of Marilyn Monroe and often channels the icon's style. In 2012, Gaga was ranked at number four on Billboard's list of top moneymakers of 2011, grossing more than 25 million dollars
24. Lady Gaga's style
Her style is out of the world, which is probably why she's tipped for a cameo in Men In Black III. Will Smith has said 'Lady Gaga appears,' to ElCorilloRD.
25. Lady Gaga steps out in New York
What's your favourite Gaga outfit?
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