My Little Pony Equestria Girls: Choose Your Own Ending

Costume Conundrum (2x33)

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While hanging out at Sunset Shimmer's house, Sunset, Rarity, Applejack, and Fluttershy all receive an invitation to Bulk Biceps' costume party. When Fluttershy does not know what to wear, her friends all offer to help her pick out a costume.