Leigh-Anne Pinnock from Little Mix performs inside the London Olympic Stadium in London, UK on July 21, 2013.

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.

Jade Thirlwall 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.

Bella Thorne at the 28th Annual Imagen Awards at the Beverly Hilton Hotel in Beverly Hills, CA on August 16, 2013.

Bella Thorne at the 12th Annual InStyle Summer Soiree at Mondrian in West Hollywood, CA on August 8, 2013.

Bella Thorne at the “The Mortal Instruments: City Of Bones” Los Angeles Premiere at the Arclight theater in Hollywood, CA on August 12, 2013.