Lily Collins & Jamie Campbell Bower: Bundled Up 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 Bower were spotted in their over-sized winter coats while clutching warm cups of coffee before filming.

PHOTOS: Check out the latest pics of Lily Collins

Just a couple days earlier, Lily and Jamie attended The Mortal Instruments: City of Bones wrap party at Club V. The flick is scheduled to wrap filming in Toronto later this week.

The Mortal Instruments: City of Bones is set to hit theaters August 23, 2013.