Vanessa Hudgens under investigation for allegedly defacing Sedona Red Rock

Vanessa Hudgens and Boyfriend Austin Butler Are Under Investigation For Alleged Etching

Vanessa Hudgens is between a rock and a hard place after an alleged act of love has brought her under fire.

The 27-year-old actress and her 24-year-old boyfriend, Austin Butler, allegedly carved their names in a heart into a rock formation in Sedona, Arizona over Valentine's Day weekend, but the gesture might have broken a federal law.

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A public affairs officer for Coconino National Forest tells ET the incident involving Hudgens and Butler "is under investigation."

See what other celebs did on Valentine's Day:

27 PHOTOS
Celeb Valentine's Day 2016 on social media
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Vanessa Hudgens under investigation for allegedly defacing Sedona Red Rock
Happy Valentines Day #thisJohnsonisgettinIt
Cheers to the #SweetestSunday ๐Ÿ’•๐Ÿ’• #HappyValentinesDay #SnuggleMe #Feb14
๐Ÿ’•Happy Valentine's Day๐Ÿ’•
๐Ÿ’˜
ZAZAโŒVDAY
Breakfast in bed from my Valentine! I love you more than I know how to say. โค๏ธ
Happy Valentine's Day, my babies
๐Ÿ˜
Happy Valentine's Day โค๏ธโ˜˜
๐ŸŒน
๐Ÿ’˜โ˜•๏ธ๐Ÿ’˜
Happy valentines day๐Ÿ’•by the sweetest @petrafcollins for @voguemagazine out today
Happy Valentine's Day darling โค๏ธ๐Ÿ˜˜๐Ÿ˜˜
Valentine's Kisses! โค๏ธ๐Ÿ’‹ #happyvalentinesday #sunday #love #hubbylove #kisses #bigsur #lips #ithinkiloveyou
Perfect Valentines treat at hmโค๏ธโค๏ธโค๏ธโค๏ธ๐ŸŒน๐ŸŒน๐ŸŒน๐ŸŒน @candybarcouture ๐Ÿ’ƒ๐Ÿ’ƒ๐Ÿ’ƒhappy V day!!!
Cause y' know daddy feeds everyone on Valentine's Day. #BrownLegsAndMilk ๐Ÿ˜‚๐Ÿ’ช๐Ÿพ
Valentines
Got my @happyhippiefdn valentines swag! How bout u! Get yours now
๐Ÿ˜ฉ๐Ÿ˜‚ happy v day babies !!!!! โ™ก
Happy Valentine's Day to my boo โค๏ธ๐Ÿ˜Š๐Ÿ˜š #happyvalentinesday @greggsulkin
My Valentine this year is @mayasideas At 8 years old she started her own business. She's given 3 Ted Talks, started a non-profit organization, and created multiple animated shows with a foundation in education. Now at 16 years old, she continues to change the world and make me feel like a massive slacker. ๐Ÿ˜ Thank you @mayasideas for rocking our world. And thank you for coding this heart. I can barely work an iPhone. โ˜บ๏ธ๐Ÿ˜‰#codewithlove
Happy Valentine's Day to all the lonely hearts out there today โค๏ธ
On my way โค๏ธ
Happy Valentine's Day baby ...๐ŸŒน๐Ÿ˜‰๐Ÿ˜๐Ÿ˜˜
Breakfast in bed! #valentinesday #myvalentine
โค๏ธโค๏ธ @austinbutler #sedonadreams
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"Officials at the Coconino National Forest became aware of the incident [Monday] when the media alerted them of the situation," the officer tells ET. "There is no deadline for this investigation -- it takes as long as it takes. The maximum punishment for this is $5k and/or 6 months behind bars."

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See photos of the stylish actress:

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vanessa hudgens
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Vanessa Hudgens under investigation for allegedly defacing Sedona Red Rock
LOS ANGELES, CA - SEPTEMBER 26: Actress Vanessa Hudgens attends the Benefit Cosmetics event at Space 15 Twenty on September 26, 2014 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
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ET has reached out to Hudgens' rep for comment.

Eyebrows were raised after Hudgens posted a picture of the carving on Instagram, but the post has since been deleted.

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