A TOP US popstar and former X Factor judge looked completely unrecognisable as she let her hair down at a lavish showbiz bash.
The American Idol judge and Straight Up pop princess, 60, turned heads in a stunning green diamante gown. The star wore the chic semi-sheer dress at reality star Kathy Hilton's annual Christmas party.
Yet fans were stunned as they realised the star posing by Paris Hilton's mother, and later by the socialite, was in fact a fresh-faced Paula Abdul.
She showed her fun side by hopping behind DJ Paris' decks to help with the party soundtrack. Laker Girl Paula originally rose to fame choreographing Janet Jackson's music videos before having hits of her own in the late 80s and early 90s.
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