The 34-year-old "Make Me" hitmaker will mark her return to the VMAs stage after nine years, reported Aceshowbiz.
Teaming up with American Red Cross and CrowdRise, Spears is giving two winners either the outfit she is planning to wear at the VMAs or a trip to meet her in New York City before the show. Every fans who donates USD 10 has a chance to win one of the prizes.
A fan who win the NYC trip for two will be pulled up on August 25, while another winner for Britney's VMAs outfit will be announced on September 1.