The original dress is in kelly green but Demi wore it in a plum shade.
I don't think the dress suits Demi at all - the colour is bad against her fake tan, the plunged neck is too wide, the length is too long and as a result there's a puddle of fabric near her feet.
The ombré hair in tight curls isn't great and neither is her make-up.
Image Sources: nymag.com/fashion, justjared.buzznet.com