Demi Lovato attends the 2013 Wango Tango concert produced by KIIS-FM at the Home Depot Center in Carson, CA on May 11, 2013.

Zendaya at Nickelodeon’s 26th Annual Kids’ Choice Awards at the Galen Centre in Los Angeles, CA on March 23, 2013.

Zendaya Coleman at the “You Again” Los Angeles Premiere at El Capitan Theater in Hollywood, CA on September 22, 2010.

Jesy Nelson from Little Mix performs inside the London Olympic Stadium in London, UK on July 21, 2013.

Jade Thirlwall from Little Mix performs inside the London Olympic Stadium in London, UK on July 21, 2013.

Perrie Edwards from Little Mix at the Teen Vogue’s Back-To-School Saturday Kick-Off Event at the The Grove on August 9, 2013 in Los Angeles, CA.

Jesy Nelson from Little Mix at the Teen Vogue’s Back-To-School Saturday Kick-Off Event at the The Grove on August 9, 2013 in Los Angeles, CA.

Cher Lloyd at the 2013 Teen Choice Awards at the Gibson Ampitheater Universal on August 11, 2013 in Los Angeles, CA.

Selena Gomez at the 2013 Teen Choice Awards at the Gibson Ampitheater Universal in Los Angeles, CA on August 11, 2013.

Selena Gomez arrives to the MTV Movie Awards 2013 at Sony Studios in Culver City, CA on April 14, 2013.