Lupita Nyong'o, Harry Connick Jr, & Kat Graham Step Out for Heidi Klum's Halloween Party!

Lupita Nyong’o and Kat Graham are dressing up as some iconic 1990s movie characters for Halloween!

The 35-year-old Oscar-winning actress dressed up as Dionne Davenport from Clueless while the 29-year-old singer dressed up as Jim Carrey‘s character from The Mask as they stepped out for Heidi Klum’s 19 Annual Halloween Party presented by Party City and SVEDKA Vodka on Wednesday night (October 31) at Lavo in New York City.

Harry Connick Jr. made it a family affair at the party as he was joined by wife Jill Goodacre and daughter Georgia.

Other stars at the party included Padma Lakshmi, Neil Patrick Harris and David Burtka, Zac Posen, Dylan Sprouse, Barbara Palvin, Ice-T and Coco, Questlove, EJ Johnson, Frankie Grande, Kyle MacLachlan and wife Desiree Gruber, and model Jordan Barrett.

30+ pictures inside of the stars arriving at the party…