With many countries legalizing the use of cannabis, more and more stars are becoming open about their herbal use. While some of these celebs are expected, others are quite shocking... check it all out in the video above! 

These 4 stars were high on set

Seth Rogen attends the 33rd American Cinematheque Award Presentation Honoring Charlize Theron on November 08, 2019 in Beverly Hills, California
NCIS: Emily Wickersham, Diona Reasonover and Wilmer Valderrama

Which one of the shows features "Ducky Mallard"?