Beverly Hills pie slinger Mulberry Street Pizzeria is celebrating 20 years of business tomorrow, Oct. 3, with a pretty spectacular deal on its New York-style slices, marking them down to a mere 20-cents each. Even better, all proceeds from the day's sales will be donated to the The Michael J. Fox Foundation for Parkinson's Research.

If waiting in line with William-Morris agents, socialite shoppers and the occasional celebrity doesn't sound like your bag, you can also get cheap slices at the chain's two other non-Beverly Hills locales, located in Encino and Sherman Oaks. Going to those, of course, all but eliminates any chance of seeing, say, Mickey Rourke dribble marinara down his chin, which might be half the fun of visiting this sanctuary for East Coast expats anyhow. The deal runs all day, so feel free to stop by whenever.

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