Trick-or-Treat! Rachael opens the kitchen door to find a mystery trick-or-treater -- Cameron Mathison. The All My Children star tells Rach that he loves dressing up for Halloween, but often has to play off his wife's costume. "I'm usually the prop to her really sexy outfit," he says. "I have more clothes on than humanly possible during Halloween and she's got the fewest on possible." Cameron explains that this year he's followed his son's lead when it came to picking out costumes. "Lucas is going to be Darth Vader -- and I'm going to be Darth Vader as well -- and my 1-year-old daughter Leila is going to be Princess Leia. I was hoping it would little Luke and Darth and little Princess Leia, but he wanted to have the mask too, and apparently it's not all about me, so I had to listen to my 4-year-old."

The hot actor is working double duty as a contestant on Dancing with the Stars. Cameron tells Rachael that one fellow dancer has stood out as the class clown. "The biggest cutup for me is probably Mel B," he says. "She's a lot funnier than you'd think she would be. She's really out there, really funny."