But the 15-year-old's representative insists a double is a necessity of the performance, telling OK! magazine, "To help speed the transition from Hannah to Miley, there is a production element during the performance of We Got The Party incorporating a body double for Miley.

"After Hannah has completed the featured verse on the duet with the Jonas Brothers, a body double appears approximately one to two minutes prior to the end of the song in order to allow Miley to remove the Hannah wig and costume and transform into Miley for her solo set. - more on this story

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