PHILTONYELLOW0130_001.jpgParis Hilton PHILTONYELLOW0130_020.jpg We thought Paris Hilton looked great going into the Ed Sullivan Theater to tape her upcoming appearance on The Late Show - that is, until she came out!

The celebutante wore a vibrant yellow dress on her way in, but swapped it for a blue-and-gold number for her exit.

Which one looked better on the heiress?