Paris Hilton vs. Nicole Richie, Bam Margera vs. Tony Hawk, and Bam Margera vs. Don Vito.Paris Hilton vs. Nicole Richie, Bam Margera vs. Tony Hawk, and Bam Margera vs. Don Vito.Paris Hilton vs. Nicole Richie, Bam Margera vs. Tony Hawk, and Bam Margera vs. Don Vito.