HILARY & MIKE See, hanging with an ex doesn't have to be scary: After announcing their split back in January, Duff and Comrie hit up a Los Angeles Halloween bash as a sparkling fairy  COLTON HAYNES Also at the Glee actor's Oct. 25 party: theArrow star, who goes undercover as Princess Fiona

Back then, he was a little clown. Today, he's singing and writing about hearts being "so cold." Any guesses? It's Ed Sheeran! They rule the Internet today, but way before they became famous, they were little kids dressing up in their Halloween bests! Can you guess who these costumed kids turned

 Kim Kardashian as Posion Ivy  Tila Tequila Just Being Herself. Paris Hilton as Pocohontas Lindsay Lohan as a Fireman Selita Ebanks as the Devil Jenny McCarthy as a Maid Jennifer Walcott as a Mermaid Ashanti as a Cat Britney Spears as, ummmm a Go Go Dancer?.jpg  Rihanna as a Tiger Coco as a Nurse