Katy Perry: Karl Lagerfeld Dinner Party!

Katy Perry strikes a pose outside of La Maison du Caviar restaurant on Thursday (March 1) in Paris, France

The 27-year-old entertainer attended a dinner party for Hogan by Karl Lagerfeld.

PHOTOS: Check out the latest pics of Katy Perry

At the party, Katy rocked a Balmain dress, Christian Louboutin shoes, and J. Molinari syringe ring (white gold with pave diamonds and ruby shaker).

Earlier in the day, Katy took Paris Fashion Week by storm in a sheer chiffon drawstring skirt from Vera Wang with a pair of visible boy shorts underneath!

Look out for Katy‘s album, Teenage Dream: The Complete Confection, which hits stores on March 26.