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:
Dressed in a purple gown, Rihanna performs during the 2006 World Music Awards in London.
Sporting a shorter 'do, Rihanna attends the 2007 MTV Movie Awards.
In June 2008, Rihanna once again visits "Total Request Live."
Rihanna wears a menswear-inspired look to the 2009 Costume Institute gala at the Metropolitan Museum of Art in New York City.
She signs autographs in Berlin in March 2010.
With a slightly longer red 'do, Rihanna arrives at the 2010 American Music Awards in Los Angeles.
Rihanna performs during the halftime show at the NBA All-Star Game in February 2011.
She performs on NBC's "Today" in May 2011.
In April 2012, she attends the Time 100 Gala in New York City.
Rihanna performs during the 2012 iHeartRadio Music Festival in Las Vegas.
Rihanna is set to produce and star in Style's upcoming fashion reality series, "Styled to Rock." See how the Barbadian singer's style has evolved since she released the single "Pon de Replay" in 2005: