Paris Hilton's Memorial Day Bash

Just days before being thrown into prison…

Paris Hilton is an All-American girl, throwing herself a Memorial Day party on Monday at her West Hollywood home. The heiress attached an American flag to her house gate just before BFF Nicole Richie arrived.

Two ex-boyfriends of Paris‘, Simon Rex and Brandon Davis, were also in attendance for the Memorial Day BBQ. Other celebrity guests included lil’ sis Nicky Hilton, Elisha Cuthbert and director Brett Ratner.

More pictures inside of Paris‘ Memorial Day bash…