Jason Priestley is joined by his wife, Naomi Lowde-Preistley and their daughter Ava at the 15th Annual Dream Halloween to Benefit Children Affected by AIDS Foundation, held at The Barker Hanger at the Santa Monica Airport in Santa Monica, California.

Also there were Jada Pinkett-Smith and her daughter, Willow, Jamie Lee Curtis, Angela Bassett, son Slater and daughter Bronwyn, and Wilmer Valderrama (I think he forgot his costume).

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Photos:  SplashNews