Celebs at Arcade Boutique’s Autumn Party

Demi Lovato arrived at Arcade Boutique’s Autumn Party at the London Hotel in West Hollywood, which benefited the Children’s Institute. Demi Lovato looked stunning in her vampy, black cocktail dress and rubbed elbows with other fashionistas including Amy Smart, Elisabeth Rohm, Nicky Hilton, Jenna Dewan and Eliza Dushku. Check out Paris Hilton in the next photo!

Paris Hilton wore a flirty black dress and enjoyed sitting front row with her sister for the runway show.