Katy Perry performs at the 2015 Rock in Rio on Sunday, September 27, in Rio de Janeiro. Perry's fashion sense has always been fierce and untamed. Check out some of her wildest ensembles to date.
Raphael Dias/Getty Images South America/Getty Images
Perry is honored during a handprint ceremony at TCL Chinese Theatre IMAX Forecourt on September 8 in Hollywood, California.
Alberto E. Rodriguez/Getty Images North America/Getty Images
Perry and Jeremy Scott attend the "China: Through The Looking Glass" Costume Institute Benefit Gala at the Metropolitan Museum of Art in May.
Larry Busacca/Getty Images North America/Getty Images
Perry performs on the Prismatic World Tour early in 2015.
EPIX
Perry on the red carpet at the 2015 Grammy Awards.
Larry Busacca/Getty Images for NARAS
Perry performs at the Super Bowl XLIX halftime show in Glendale, Arizona, in February.
Christopher Polk/Getty Images
Katy Perry visits "Late Night With Jimmy Fallon" in 2013.
Theo Wargo/Getty Images
Katy Perry performs during the iHeartRadio Music Festival in 2013.
Ethan Miller/Getty Images for Clear Channel
Katy Perry attends the 2013 MTV Video Music Awards in New York.
Jamie McCarthy/Getty Images for MTV
Perry gets political in a white latex ballot dress at a campaign rally for President Barack Obama on Wednesday, October 24, 2012, in Las Vegas.
John Gurzinski/Getty Images
The singer looks like a sexy disco ball in Paco Rabanne at the 2012 Echo Awards in Berlin. She paired her mirrored frock with embellished Christian Louboutin pumps that spell "sex."
Sean Gallup/Getty Images
Katy Perry performs at the 2012 Echo Awards in Berlin.
Andreas Rentz/Getty Images
Perry wears a body-skimming costume to perform "Part of Me" at the Grammys in 2012.
ROBYN BECK/AFP/Getty Images
Proving she's a fan of cubism, the singer picks up the award for video of the year at the MTV Video Music Awards in August 2011.
Kevin Winter/Getty Images
The voice of Smurfette rocks this mini-dress on the blue carpet at the New York film premiere of "The Smurfs" in July 2011.
Jemal Countess/Getty Images
There's a good chance Perry wasn't worried about her hips looking too big in the snowman dress she wore at KIIS-FM's Jingle Ball in December 2010.
Noel Vasquez/Getty Images
No stranger to making a statement at the MTV Europe Awards, Perry wears a shiny red ticket dress in November 2010 in Madrid.
Ian Gavan/Getty Images
Perry's literally glowing on the red carpet at the Costume Institute Gala Benefit in May 2010 in New York.
Larry Busacca/Getty Images
Resembling a piece of Swiss cheese, Perry dons this gown when performing at the MTV Europe Music Awards in November 2009 in Berlin.
Dave M. Benett/Getty Images
This "dicey" dress might make more sense in Sin City than the Big Apple, but the "Waking Up In Vegas" singer wears it to perform on NBC's "Today" in July 2009. Anchor Matt Lauer looks amused.
Michael Loccisano/Getty Images
The singer emerges from a golden banana dressed in this fruity costume while performing "I Kissed a Girl" at the Grammys in February 2009.
ROBYN BECK/AFP/Getty Images
Rather than deciding between a menswear-inspired ensemble and a frilly frock, Perry compromises with this two-sided look during the MTV Europe Music Awards in 2008.
