Katie Cassidy & Debra Messing: Dennis Basso Fashion Show!

Katie Cassidy continues to show off her black bra in a sheer and lacy top while attending the Dennis Basso Fashion Show during Mercedes-Benz Fashion Week Fall 2014 at The Theatre at Lincoln Center on Monday (February 10) in New York City.

The 27-year-old actress was joined by Debra Messing, Mary J. Blige, Olivia Palermo, and TV personality Giuliana Rancic.

PHOTOS: Check out the latest pics of Katie Cassidy

The day before, Katie flashed her bra while attending the Katya Zol fashion show and the Lela Rose presentation.

FYI: Katie is wearing a French Connection coat.

10+ pictures inside of Katie Cassidy and Olivia Palermo attending the Dennis Basso fashion show…