Lady Gaga's 25 Most Outrageous Hairstyles

October 2008: On Good Day New York at Fox Studios in New York City.

June 2009: The MuchMusic Video Awards in Toronto.

June 2009: Arriving at the Manchester Academy in Manchester, England.

September 2009: At the Marc Jacobs fashion show during Spring 2010 Fashion Week in New York City.

November 2009: On the German TV show Wetten Dass? in Braunschweig, Germany.

November 2009: On the cover of her album The Fame Monster.

November 2009: The launch of V61, hosted by V Magazine and Marc Jacobs in New York City.

December 2009: At her performance for Queen Elizabeth II in Blackpool, England.

January 2010: At the 2010 Grammy Awards in Los Angeles.

February 2010: At the amFAR New York Gala to Kick Off Fall 2010 Fashion Week in New York City.

February 2010: Leaving the Mayfair Hotel in London.

February 2010: At The Brit Awards in London.

March 2010: At Heathrow Airport in London.

March 2010: In the music video for her single, "Telephone."

April 2010: Arriving at the Tokyo-Narita Airport in Tokyo.

May 2010: Spotted in Berlin.

May 2010: Performing at The Almay Concert to Celebrate the Rainforest Fund's Twenty-First Birthday in New York City.

June 2010: In her music video for "Alejandro."

June 2010: Attending a New York Mets game at Citi Field in New York City.

September 2010: At the 2010 MTV Video Music Awards in Los Angeles.

November 2010: Leaving her hotel in London.

February 2011: Backstage at the Green Day musical, American Idiot in New York City.

March 2011: Walking the runway at the Thierry Mugler Show during Paris Fashion Week.

March 2011: Backstage after the Thierry Mugler Fashion Show at Paris Fashion Week.

March 2011: Leaving her hotel in Toronto before her concert in Buffalo, New York.