Taylor Momsen has stripped down for YouTube's Amp Rock TV video series.

In the one-minute black-and-white video clip, the former "Gossip Girl" star is lip-syncing the words to her latest single, "Under the Water."

The video offers a series of close-up shots of several parts of her body until the big "reveal" at the end, which shows Momsen standing alone completely nude.

Thanks to some artful editing, the barely legal fashionista's nether regions are blurred for censorship purposes.

Momsen, 19, is known for playing sweet girl-gone-bad Jenny Humphrey on the popular teenage drama "Gossip Girl."

She started her band while she was a regular on the hit CW series. Momsen had played a rebellious teenager who eventually dropped out of high school to pursue a career as a fashion designer.

Momsen displayed rebellious antics off-camera as well - she immersed herself in the rock music scene with her signature dark kohl-rimmed eyes and rock star-style clothing to differentiate herself from the sweet character she played on television.

Momsen explained to Parade in 2010 why she prefers a career in music over acting.

"Music is where I can be me. I really do it because I love it, honestly. It's what I want to do with my life. I mean, it's my only goal. Acting is easy. I've been doing it for so long and I totally love it. But you're playing a character instead of yourself. Music is more personal because you're writing it and you're involved in every step of it...Music speaks for itself, so I'm excited for people to finally hear my songs and let them speak for themselves."

She revealed that the style of music and some of her choices would be shocking to her "Gossip Girl" fans.

"I'm not going to change for anybody and I'm not interested in changing the sound of my music or changing anything about the way I am just to sell something." 

Momsen's band The Pretty Reckless is signed to Interscope Records. She signed with IMG Models agency at the age of fourteen and has appeared in several ad and beauty campaigns, including one for Madonna's Material Girl clothing line.

Several other rock stars have appeared for YouTube's Amp Rock TV video series including Marilyn Manson, Korn and Evanescence.

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