The 6th annual Dee’s Doggie Den Pet Costume Party runs from 7:30-9:30 p.m. today at 6444 E. Mockingbird Lane. Your pet needs to be in costume to have a chance at winning a prize for most creative, scariest movie character, most appropriate and most like a celebrity. Games, prizes, snacks and beverages are part of the evening, which costs a $10 donation to the SPCA.