Lily Collins and Jamie Campbell Bower on set

"Lily Collins keeps warm on The Mortal Instruments: City of Bones set on Monday (November 5) in Toronto, Canada.

The 23-year-old actress and her co-star boyfriend Jamie Campbell Bowerwere spotted in their over-sized winter coats while clutching warm cups of coffee before filming."

(SOURCE: http://www.justjared.com/2012/11/05/lily-collins-jamie-campbell-bower-bundled-up-on-set/)