Rihanna, Spears and Ariana Grande Confirmed For MTV Video Music Awards

In four days New York's Madison Square Garden will be filled with some of the world's biggest music stars for the annual MTV Video Music Awards show.<br />On Sunday Rihanna will receive the Michael Jackson Video Vanguard Award - the equivalent of a lifetime achievement award - and perform live on stage .<br />"I think everyone wants to tune in for Rihanna ... What she's doing with the Video Vanguard moment is like no one has ever done," executive producer Jesse Ignjatovic said on Thursday.