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.