Foto: 15 Gaya Stylish Katy Perry di Red Carpet

Katy Perry attends the 2017 iHeartRadio Music Awards which broadcast live on Turner's TBS, TNT, and truTV at The Forum on March 5, 2017 in Inglewood, California.  (Photo by Jesse Grant/Getty Images for iHeartMedia)

Katy Perry arrives to The Human Rights Campaign 2017 Los Angeles Gala Dinner at JW Marriott Los Angeles at L.A. LIVE on March 18, 2017 in Los Angeles, California.  (Photo by Christopher Polk/Getty Images )

Katy Perry attends the 2017 Vanity Fair Oscar Party hosted by Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California.  (Photo by Pascal Le Segretain/Getty Images)

Katy Perry attends The BRIT Awards 2017 at The O2 Arena on February 22, 2017 in London, England.  (Photo by John Phillips/Getty Images)

Katy Perry attends the LA Premiere of Paramount Pictures "Office Christmas Party" at Regency Village Theatre on December 7, 2016 in Westwood, California.  (Photo by Jonathan Leibson/Getty Images for Paramount Pictures)

Katy Perry attends the 12th Annual UNICEF Snowflake Ball at Cipriani Wall Street on November 29, 2016 in New York City.  (Photo by Michael Loccisano/Getty Images)

Katy Perry attends the 2016 Children's Hospital Los Angeles "Once Upon a Time" Gala at L.A. Live Event Deck on October 15, 2016 in Los Angeles, California.  (Photo by Alberto E. Rodriguez/Getty Images)

Katy Perry arrives at amfAR's 23rd Cinema Against AIDS Gala at Hotel du Cap-Eden-Roc on May 19, 2016 in Cap d'Antibes, France.  (Photo by Ian Gavan/Getty Images)

Katy Perry attends the "Manus x Machina: Fashion In An Age Of Technology" Costume Institute Gala at Metropolitan Museum of Art on May 2, 2016 in New York City.  (Photo by Dimitrios Kambouris/Getty Images)

Katy Perry attends the launch of the Parker Institute for Cancer Immunotherapy, an unprecedented collaboration between the country's leading immunologists and cancer centers on April 13, 2016 in Los Angeles, California.  (Photo by Jonathan Leibson/Getty Images for Parker Media)

Katy Perry attends Stella McCartney Autumn 2016 Presentation at Amoeba Music on January 12, 2016 in Los Angeles, California.  (Photo by Frazer Harrison/Getty Images)

Katy Perry attends the 2016 Weinstein Company and Netflix Golden Globe Awards After Party at The Beverly Hilton on January 10, 2016 in Los Angeles, California.  (Photo by Randy Shropshire/Getty Images)

Katy Perry attends the 2015 Harper's BAZAAR ICONS Event at The Plaza Hotel on September 16, 2015 in New York City.  (Photo by Jamie McCarthy/Getty Images)

Katy Perry attends the premiere Of The Vladar Company's "Jeremy Scott: The People's Designer" at TCL Chinese 6 Theatres on September 8, 2015 in Hollywood, California.  (Photo by Alberto E. Rodriguez/Getty Images)

Katy Perry attends the "China: Through The Looking Glass" Costume Institute Benefit Gala at the Metropolitan Museum of Art on May 4, 2015 in New York City.  (Photo by Larry Busacca/Getty Images)