Lily Collins & Jamie Campbell Bower: 'City of Bones' Autograph Signing!

Lily Collins is the center of attention while attending a Q&A and autograph signing session for her highly anticipated flick The Mortal Instruments: City of Bones at Chicago Ridge Mall on Tuesday (July 30) in Chicago Ridge, Ill.

The 24-year-old English actress was seen posing with handsome co-stars Jamie Campbell Bower and Kevin Zegers.

PHOTOS: Check out the latest pics of Lily Collins

Later in the day, Kevin tweeted, “Just set my alarm for 3:35am. Ouch. See you tomorrow Miami. #tmimalltour @MortalMovie.”

In case you missed it, check out Lily looking beautiful on the cover of Seventeen‘s September 2013 issue.

FYI: Lily is wearing Christian Siriano shorts and jacket.

20+ pictures inside of Lily Collins and Jamie Campbell Bower promoting The Mortal Instruments: City of Bones…