Heading into the Ambassador Theater -- where her father Billy Ray Cyrus is performing in long-running Broadway smash Chicago -- the former Hannah Montana star, 19, showed off her new 'do: buzzed completely on the sides, with the top only slightly longer.
"When you wake up, your hair is done. It's so easy," Cyrus reasoned. "And the dirtier it is, the more I like it, so it's great. Showering has cut down, I'm saving water... This is more than a fashion statement; it's eco-friendly."
Tell Us: What do you think of Miley's latest hair shocker?