Alexandra Del Rosario Associate Editor/Nights & WeekendsKeke Palmer is set to host this year’s MTV Video Music Awards. MTV announced Thursday that the Strahan, Sara & Keke host and Hustlers star will emcee the VMAs, with Lady Gaga and Ariana Grande as top nominees.Thursday’s news is the latest update for the August awards ceremony. In July MTV revealed the complete list of nominees for its annual awards show.