Apparently, just because you're famous doesn't mean that vandalism is okay, no matter how tasteful the graffiti. Consequently, Vanessa Hudgens has found herself under investigation after apparently defacing the precious red sandstone of Sedona rock in Arizona with a Valentine's Day message.

Vanessa HudgensVanessa Hudgens could be in deep trouble

27-year-old Hudgens posted a photo on Instagram of a jagged heart with 'Austin + Vanessa' inside it etched on the rock surface on Monday (February 15t 2016). Not exactly ambigious, though it's very likely that the she and her boyfriend Austin Butler didn't they were doing anything wrong. Allegedly, it's actually against federal law to cause damage to a protected natural phenomenon such as this, and they are now being investigated because of it according to a public affairs officer for Coconino National Forest.

'Officials at the Coconino National Forest became aware of the incident when the media alerted them of the situation', they told 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.'

Oh dear! It doesn't seem to have been long before Hudgens was informed of her wrongdoing, as she soon deleted the picture. But apparently not quick enough.

Another star who recently admitted to indulging in a spot of vandalism is 'Harry Potter' author J.K. Rowling - though this was indeed a less serious matter. She confessed to having written on a bust in her hotel room after completing 'Harry Potter and the Deathly Hallows', signing it: 'JK Rowling finished writing Harry Potter and the Deathly Hallows in this room (652) on 11th January 2007'. Though this has merely brought in more revenue for Edinburgh's Balmoral Hotel from fans desperate to see the room in which she stayed.

More: JK Rowling grafittis hotel room

We can't see Hudgens fans trekking up to Sedona rock just to see her message, however.