Happy Birthday, Mother Monster!

Lady Gaga turns 25 today so in honor of her special day we're taking a look back at the pop star's top ten outfits.

Lady Gaga has definitely made heads turn, and even caused some outrage with what she wears during public appearances.

Despite her fashion sense, Lady Gaga, in just a few years, has turned into a superstar with her music. She has a loyal following, her little monsters as she likes to call them.

Lady Gaga is the most followed person on Twitter, and she latest single Born This Way has been on the top of the Billboard chart for several weeks. The pop star is always in the news for her music and antics.

Most recently she gave an interview at the Google headquarters using Google Moderator. In honor of one of music's biggest pop stars, let's take a look back at some of the ensembles that caused reaction.

Watch Lady Gaga sing Born This Way while celebrating her birthday here.

Click Start to view the slideshow.

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Lady Gaga accepted her award for Best Pop Vocal Album for "The Fame Monster" at the 53rd annual Grammy Awards. Reuters
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Lady Gaga performs her new song "Born This Way" at the 53rd Grammy Awards. Reuters
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Lady Gaga, wearing a meat dress, posed backstage at the 2010 MTV Video Music Awards Reuters
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Lady Gaga accepted the award for best pop video at the 2010 MTV Video Music Awards. Reuters
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In an interview with MTV News, album producer, Fernando Garibay who had worked with Lady Gaga to produce every track of the album emphasized that “every song tells almost like a musical”.In photo, Lady Gaga performed on NBC's "Today" show in New York. Reuters
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Lady Gaga performed at Madison Square Garden during a stop on her Monster Ball Tour in New York. Reuters
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Lady Gaga arrived at the 30th Brit Awards ceremony at Earl's Court in London Reuters
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Lady Gaga attended a gala benefit for amfAR, The Foundation for AIDS Research, in New York Reuters
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Lady Gaga holds her two Grammy Awards at the 52nd annual Grammy Awards in Los Angeles. Reuters
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Lady Gaga accepted the award for best new artist at the 2009 MTV Video Music Award in New York. Reuters
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