Katy Perry will host MTV Video Music Awards

Perry has also been nominated in five categories.

Not only is the singer nominated in five categories and opening the show, but she's also set to host the event.

The singer, 32, announced the news Thursday on Twitter. "Introducing your MOONWOMAN," she wrote. "Brace for impact! August 27th on @MTV @VMAs."

The singer also opened up about how she's prepping for Sunday, August 27, one of the music industry's biggest nights.

The nominations for this year's MTV Video Music Awards were announced Tuesday.