Lily Collins & Jamie Campbell Bower: ITV Studios Visit!

Lily Collins flashes a smile and waves to photographers as she arrives at the ITV Studios on Monday (August 19) in London, England.

The 24-year-old actress was joined by her The Mortal Instruments: City of Bones co-stars Jamie Campbell Bower and Robert Sheehan to promote the flick.

PHOTOS: Check out the latest pics of Lily Collins

The week before, Lily and co-star Kevin Zegers were spotted walking back to their hotel together in Toronto.

The Mortal Instruments: City of Bones hits theaters Wednesday (August 21)!

FYI: Lily is wearing a Stella McCartney dress, Brian Atwood shoes, and Liv Haley gold large pyramid stud earrings.

15+ pictures inside of Lily Collins and others at the ITV Studios…