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[1]

A post shared by Gabrielle Union-Wade (@gabunion) [2]

Halloween [3] is the one time of year when people can transform into anyone they want and that includes celebrities too [4]. After channelling Milli Vanilli with husband Dwyane Wade [5] last year, Gabrielle Union [6] decided to take things up a notch and rock out as Gwen Stefani [7] for Halloween this year. Complete with a blonde wig and Gwen's signature red tartan trousers, Gabrielle shared an Instagram video of her dancing [8] to No Doubt's "I'm Just a Girl" on Saturday, and we must admit, she totally nailed it!