Lily Collins & Jamie Campbell Bower: 'Good Day' Duo!

Lily Collins goes sheer in red as she leaves the Good Day studio on Friday morning (August 2) in Philadelphia, Penn.

The 24-year-old actress was accompanied by her The Mortal Instruments: City of Bones co-star Jamie Campbell Bower for the appearance.

PHOTOS: Check out the latest pics of Lily Collins

The day before, Lily and Jamie were joined by co-star Kevin Zegers during the third stop on The Mortal Instruments: City of Bones mall tour in Miami, Fla.

“Can we rename myself, Collins and Zegers the Motley Mortal Crue? Thanks. Love you. X,” Jamie tweeted earlier this week.

FYI: Lily is wearing a Maxime Simeons ensemble with Christian Louboutin boots.