Honey Vox was a famous actress.
She was known for a series of films playing a space heroine. She owned a Treed Crystal, which she wore on a chain around her neck. The Tenth Doctor and Martha Jones attended the premiere of her film Starquake, then went to her cruise ship to prevent the crystal from being stolen.
However, when they opened the safe it was in, they saw Jebelex the Pulthasian taking it through a hole he made on the other side with a matter transmuter. (COMIC: Jewel of the Vile)
