Kristen Stewart inspires Demi Lovato`s style

Los Angeles: Singer Demi Lovato looks up to `Twilight` star Kristen Stewart for style inspirations.

The Mexican songstress, who has coloured her hair purple, reportedly said that she does not really care about what others think about her bold style choices.

Lovato says her style models are Kat Graham from `The Vampire Diaries` and `Twilight` star Kristen Stewart.