Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival

Don't move an inch! The Vampire Diaries star Claire Holt risks a wardrobe malfunction in a very low-cut purple sequined strapless gown at Cannes Film Festival