Katy Perry: Labor Day House Party with Shannon Woodward!

Katy Perry dresses in a cute bright outfit while attending her Labor Day House Party on Monday afternoon (September 2) in Hollywood.

The 28-year-old singer was joined by her BFF Shannon Woodward, Ellen Page, Fifty Shades of Grey author E.L. James, and other guests including Khloe Kardashian, Jesse Metcalfe and fiancee Cara Santana, and Julianne Hough.

PHOTOS: Check out the latest pics of Katy Perry

Katy recently revealed that the music video for her hit new single “Roar” will be debuting on Thursday (September 5). We can’t wait to see what she has up her sleeve!

25+ pictures inside of Katy Perry throwing a Labor Day House Party…