Katy Perry arriving at the 52nd Annual GRAMMY Awards held at Staples Center in Los Angeles, California on January 31, 2010.

Katy Perry arrives at the 2011 Pre-GRAMMY Gala And Salute To Industry Icons at Beverly Hilton Hotel on February 12, 2011 in Beverly Hills, CA.

Katy Perry at the 2010 American Music Awards at the Nokia Theatre L.A. Live in downtown Los Angeles, CA on November 21, 2010.

Katy Perry arrives for the 11th Annual Celebration of Dreams at Bacara Resort & Spa on November 16, 2012 in Santa Barbara, CA.

Katy Perry at the 2012 MTV Video Music Awards Arrivals at Staples Center in Los Angeles, CA on September 6, 2012.

Katy Perry at the 2012 Trevor Project Live at the Palladium in Hollywood, CA on December 2, 2012.

Katy Perry attends Gridlock New Year’s Eve party at Paramount Studios on December 31, 2008 in Hollywood, California.

Katy Perry at Bondi Blonde’s Style Mansion at Style Mansion International in Beverly Hills, CA on February 9, 2009.

Becky G getting ready to perform “Oath” live on X-Factor with Cher Lloyd

Becky G’s makeup in her music video for “Problem (The Monster Remix) ft. will.i.am”