Corporal Nathan Cirillo (Courtesy of Facebook)

Katy Perry on the cover if ELLE March 2015 issue (Michael Thompson for ELLE)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Andy Lyons/Getty Images)

Katy Perry in the February 2015 Issue of Billboard Magazine (Courtesy of Billboard)

(L-R) Designer Jeremy Scott, recording artists Miley Cyrus and Katy Perry attend The DAILY FRONT ROW ‘Fashion Los Angeles Awards’ Show at Sunset Tower on January 22, 2015 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for the DAILY FRONT ROW)

Rihanna, recording artist Katy Perry and recording artist Kanye West attend The DAILY FRONT ROW ‘Fashion Los Angeles Awards’ Show at Sunset Tower on January 22, 2015 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for the DAILY FRONT ROW)

(L-R) Recording artists Miley Cyrus, honoree Jeremy Scott, recording artists Rihanna and Katy Perry attend The DAILY FRONT ROW ‘Fashion Los Angeles Awards’ Show at Sunset Tower on January 22, 2015 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for the DAILY FRONT ROW)

(L-R) Recording artists Miley Cyrus, honoree Jeremy Scott, recording artists Rihanna and Katy Perry attend The DAILY FRONT ROW ‘Fashion Los Angeles Awards’ Show at Sunset Tower on January 22, 2015 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for the DAILY FRONT ROW)

(L-R) Recording artist Rihanna, honoree Jeremy Scott and recording artist Katy Perry attend The DAILY FRONT ROW ‘Fashion Los Angeles Awards’ Show at Sunset Tower on January 22, 2015 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for the DAILY FRONT ROW)

Recording artists Miley Cyrus, honoree Jeremy Scott, recording artists Rihanna, Katy Perry, Kanye West and honoree Mazdack Rassi attend The DAILY FRONT ROW ‘Fashion Los Angeles Awards’ Show at Sunset Tower on January 22, 2015 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for the DAILY FRONT ROW)

Katy Perry and Houston Texans' JJ Watt in ESPN Magazine (Courtesy of Joe Pugliese for ESPN The Magazine)

Katy Perry poses backstage at the hit musical about Carole King’s life ‘Beautiful’ on Broadway at The Stephen Sondheim Theater on December 30, 2014 in New York City. (Photo by Bruce Glikas/FilmMagic)

Katy Perry during the 28th Annual ARIA Awards 2014 at the Star on November 26, 2014 in Sydney, Australia. (Photo by Brendon Thorne/Entertainment/Getty Images)

Katy Perry arrives at the 28th Annual ARIA Awards 2014 at the Star on November 26, 2014 in Sydney, Australia. (Photo by Brendon Thorne/Entertainment/Getty Images)

Katy Perry arrives at the 28th Annual ARIA Awards 2014 at the Star on November 26, 2014 in Sydney, Australia. (Photo by Mark Metcalfe/Entertainment/Getty Images)

Katy Perry attended Kate Hudson’s Halloween Bash on October 31, 2014 (SplashNews)

Katy Perry & Friend (Courtesy of Instagram)

Katy Perry & Hilary Clinton (Courtesy of Instagram)

Katy Perry (Courtesy of Instagram)

Katy Perry & Friend (Courtesy of Instagram)

Katy Perry (Courtesy of Instagram)

Katy Perry (Courtesy of Instagram)

Katy Perry (Courtesy of Instagram)

Katy Perry (Courtesy of Instagram)

Katy Perry & Joe Biden (Courtesy of Instagram)

Katy Perry graces Harper's BAZAAR's October cover (Camilla Akrans for Harper's BAZAAR)

Katy Perry graces Harper's BAZAAR's October cover (Camilla Akrans for Harper's BAZAAR)

Katy Perry graces Harper's BAZAAR's October cover (Camilla Akrans for Harper's BAZAAR)

Riff Raff (L) and Katy Perry, in Versace, attend the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Frazer Harrison/Getty Images)

Katy Perry attends the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Jason Merritt/Getty Images for MTV)

Katy Perry (Splashnews)

Katy Perry on August 6, 2014 (Courtesy of Instagram)

Katy Perry performs during a concert commemorating the Special Olympics with U.S. President Barack Obama, not pictured, in the State Dining Room of the White House on July 31, 2014 in Washington, D.C. Founded in 1968 by Eunice Kennedy Shriver, the Special Olympics movement has grown to more than 4.4 million athletes in 170 countries. (Photo by Andrew Harrer-Pool/News/Getty Images)

Katy Perry performs during a concert commemorating the Special Olympics with U.S. President Barack Obama, not pictured, in the State Dining Room of the White House on July 31, 2014 in Washington, D.C. Founded in 1968 by Eunice Kennedy Shriver, the Special Olympics movement has grown to more than 4.4 million athletes in 170 countries. (Photo by Andrew Harrer-Pool/News/Getty Images)

Katy Perry (Courtesy of Rolling Stone)

Katy Perry & Madonna in ‘V’ magazine’s Summer 2014 issue (Courtesy of Steven Klein/ V Magazine)

Katy Perry & Madonna in ‘V’ magazine’s Summer 2014 issue (Courtesy of Steven Klein/ V Magazine)

Katy Perry & Madonna in ‘V’ magazine’s Summer 2014 issue (Courtesy of Steven Klein/ V Magazine)

Katy Perry & Madonna in ‘V’ magazine’s Summer 2014 issue (Courtesy of Steven Klein/ V Magazine)

Katy Perry & Madonna in ‘V’ magazine’s Summer 2014 issue (Courtesy of Steven Klein/ V Magazine)

Katy Perry & Madonna in ‘V’ magazine’s Summer 2014 issue (Courtesy of Steven Klein/ V Magazine)

Katy Perry, Versace mansion, July 1, 2014 (Courtesy Of Instagram)

Katy Perry with her new green hair in Cosmopolitan, July 2014 (Courtesy of Matt Jones/Cosmopolitan)

Katy Perry with her new green hair in Cosmopolitan, July 2014 (Courtesy of Matt Jones/Cosmopolitan)

Katy Perry (Courtesy of Peggy Sirota/GQ)

Katy Perry (Courtesy of Peggy Sirota/GQ)

Katy Perry (Courtesy of Peggy Sirota/GQ)

Katy Perry attends the ‘Mademoiselle C’ cocktail party at Pavillon Ledoyen on October 1, 2013 in Paris, France (Getty Images)

Katy Perry attends the Chanel show as part of the Paris Fashion Week Womenswear Spring/Summer 2014 at Grand Palais on October 1, 2013 in Paris, France. (Photo by Pascal Le Segretain/Entertainment/Getty Images)

Katy Perry attends the iHeartRadio Music Festival at the MGM Grand Garden Arena on September 20, 2013 in Las Vegas, Nevada. (Photo by David Becker/Entertainment/Getty Images for Clear Channel)

Katy Perry is seen outside ‘Good Morning America’ on September 6, 2013 in New York City. (Photo by Raymond Hall/FilmMagic)

Katy Perry attends the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jamie McCarthy/Entertainment/Getty Images for MTV)

Katy Perry visits ‘The Elvis Duran Z100 Morning Show’ at Z100 Studio on August 12, 2013 in New York City. (Photo by Daniel Zuchnik/FilmMagic)

Katy Perry attends the premiere of Columbia Pictures’ ‘Smurfs 2′ at Regency Village Theatre on July 28, 2013 in Westwood, California (Bauer-Griffin)

Katy Perry attends the Costume Institute Gala for the ‘PUNK: Chaos to Couture’ exhibition at the Metropolitan Museum of Art on May 6, 2013 in New York City. (Bauer-Griffin)

Katy Perry attends the the pre-Met Ball special screening of ‘The Great Gatsby’ after-party at The Top of The Standard on May 5, 2013 in New York City. (Photo by Rob Kim/Entertainment/Getty Images)

Katy Perry attends the 2013 Delete Blood Cancer Gala at Cipriani Wall Street on May 1, 2013 in New York City. (Photo by Jerritt Clark/WireImage)

Katy Perry, wearing Prada, attends Catherine Martin And Miuccia Prada Dress Gatsby Opening Cocktail on April 30, 2013 in New York City. (Photo by Stefanie Keenan/Entertainment/Getty Images for Prada)

Katy Perry attends the White House Correspondents’ Association Dinner at the Washington Hilton on April 27, 2013 in Washington, DC. (Photo by Dimitrios Kambouris/Entertainment/Getty Images)

Katy Perry attends ‘The Smurfs 2′ party at The 5th Annual Summer Of Sony at the Ritz Carlton Hotel on April 22, 2013 in Cancun, Mexico. (Photo by Christopher Polk/Entertainment/Getty Images for Sony Pictures)

Katy Perry attends ‘The Smurfs 2′ photo call at The 5th Annual Summer Of Sony at the Ritz Carlton Hotel on April 22, 2013 in Cancun, Mexico. (Photo by Christopher Polk/Entertainment/Getty Images for Sony Pictures)

Katy Perry attends LACOSTE L!VE 4th Annual Desert Pool Party on April 13, 2013 in Thermal, California. (Photo by Jonathan Leibson/Entertainment/Getty Images for LACOSTE)

Katy Perry (Bauer-Griffin)

Katy Perry arrives at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Jason Merritt/Entertainment/Getty Images)

Katy Perry arrives at Clive Davis & The Recording Academy’s 2013 Pre-GRAMMY Gala and Salute to Industry Icons honoring Antonio ‘L.A.’ Reid at The Beverly Hilton Hotel on February 9, 2013 in Beverly Hills, California. (Photo by Jason Merritt/Entertainment/Getty Images)

Katy Perry arrives at he 2013 MusiCares Person Of The Year Gala Honoring Bruce Springsteen at Los Angeles Convention Center on February 8, 2013 in Los Angeles, California. (Photo by Jason Kempin/Entertainment/Getty Images)

Katy Perry backstage during 2013 People’s Choice Awards at Nokia Theatre L.A. Live on January 9, 2013 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)

Renee Zellweger 1987 (Courtesy of Steve Poppel/ Yearbook Library)