LOS ANGELES - Paris Hilton likes her burgers spicy. The hotel heiress, actress, jewelry designer and entrepreneur will star in a television commercial next week in which she will slap suds on the side of a Bentley automobile and chomp on a thick burger while clad in a skimpy black bathing suit. ADVERTISEMENT Hilton will perform the feat to a rock version of the song "I Love Paris in the Springtime." The ad for the fast-food chain Carl's Jr. will feature Hilton's signature tag line, which doubles as a reference to the barbecue sauce and jalapenos-pepper laden sandwich — "that's...