Miley Cyrus' 'Hannah Montana' locks are back for Woody Allen's new TV series

Miley Cyrus on the set of Woody Allen's new television series.

Miley Cyrus' long, blonde locks from her days as "Hannah Montana" are back -- temporarily, that is.

The "Wrecking Ball" singer was spotted on the set of Woody Allen's new Amazon series in Sleepy Hollow, New York, appearing barely recognizable in hippie garb and a dirty blonde wig.

NEWS: Miley Cyrus Is Heading Back to TV!

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While the colorful poncho and baggy olive-green pants may not be a far cry from the bohemian chic attire she regularly dons, it's been quite a while since we've seen Cyrus sport her famously long, blonde tresses ever since she traded them in for a pixie cut in August 2012.