It's hard to decide what's hotter in this video -- Paris Hilton or her incredibly chic custom BMW i8 Roadster! Okay, it's Paris -- duh.

After getting a little rest and relaxation at the spa in Beverly Hills. Hilton, accompanied by her pet chihuahua, got into her $165,000 on her custom iridescent-wrapped whip. The heiress even wore sexy pink dress to color-coordinate with her fancy ride.