Ellen DeGeneres Refuses to be Punk'd by Ashton Kutcher  10/4/05

Ashton Kutcher has comedienne Ellen DeGeneres constantly watching her back - because she fears the actor will attempt to nab her with a practical joke on his hit show Punk'd. 

While a host of stars - including Justin Timberlake, Halle Berry and Ashlee Simpson - have fallen victim to Kutcher's antics, DeGeneres is determined not to count herself among them. 

She says, "That's always scary, but people have to co-operate 'cause they've tried to punk me and I've told everybody around me I'm not gonna let 'em. "Anytime anything suspicious happens, I always think I'm getting Punk'd. Like I was at a valet the other night, they brought me the wrong car and I thought, 'Oh, here we go!'"