United Kingdom, Jan. 27 -- Sydney Sweeney could face criminal charges after hanging bras on the Hollywood sign.

The 28-yrea-old actress and her team sneaked up to the iconic 45-foot Hollywood Hills landmark with bags full of lingerie from her new SYRN brand, having scaled an eight foot fence and climbed up the hill.

In a video shared on Instagram, they then hung lines of bras over the famous letters, and posed in front of the sign afterwards, before removing the lingerie - although it's alleged some were left on the hillside.

Although they reported had a filming permit, they could still be in legal trouble over their actions.

The Hollywood Chamber of Commerce - who own the IP rights to the Hollywood sign's image - have revealed a "lic...