She opens an awards show that includes performances by Justin Timberlake, Kanye West and Katy Perry.Lady Gaga is hitting the stage at the MTV Video Music Awards with a world premiere live performance of her new single, “Applause,” from her upcoming ARTPOP album. The singer will open the awards show at Brooklyn’s Barclays Center, which … More Lady Gaga to Open MTV VMAs With ‘Applause’ World Premiere Performance