CNN
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February 2013 —
Happy 25th birthday, Rihanna. Here's a look back at how the Barbadian singer's style has evolved since she released the single "Pon de Replay" in 2005:

July 2005 —
Rihanna attends an event hosted by Teen People in West Hollywood in July 2005.

March 2006 —
In March 2006, she poses for a photo during MTV's "Total Request Live" in New York City.

July 2006 —
The singer performs on NBC's "Today" in New York City in July 2006.

November 2006 —
Dressed in a purple gown, Rihanna performs during the 2006 World Music Awards in London.

December 2006 —
She poses in the press room after the 2006 Billboard Music Awards in Las Vegas.

February 2007 —
Rihanna walks the red carpet at the 2007 Grammy Awards in Los Angeles.

June 2007 —
Sporting a shorter 'do, Rihanna attends the 2007 MTV Movie Awards.

August 2007 —
A frequent guest on "Total Request Live," she heads back for another visit in August 2007.

February 2008 —
Rihanna catches a fashion show in New York City during Mercedes-Benz Fashion Week in February 2008.

June 2008 —
In June 2008, Rihanna once again visits "Total Request Live."

May 2009 —
Rihanna wears a menswear-inspired look to the 2009 Costume Institute gala at the Metropolitan Museum of Art in New York City.

October 2009 —
She attends a fashion show in Paris in October 2010.

November 2009 —
Wearing a white gown, Rihanna attends a 2009 event hosted by Glamour magazine in New York City.

March 2010 —
She signs autographs in Berlin in March 2010.

June 2010 —
Sporting new red locks, the singer performs during a June 2010 festival in Arganda del Rey, Spain.

November 2010 —
With a slightly longer red 'do, Rihanna arrives at the 2010 American Music Awards in Los Angeles.

February 2011 —
Rihanna performs during the halftime show at the NBA All-Star Game in February 2011.

May 2011 —
She performs on NBC's "Today" in May 2011.

February 2012 —
The "Diamonds" singer arrives at the 2012 Grammy Awards.

April 2012 —
In April 2012, she attends the Time 100 Gala in New York City.

September 2012 —
Rihanna performs during the 2012 iHeartRadio Music Festival in Las Vegas.