They mean business: Katrina Law (L) and Katie Cassidy (R) looked fearsome in their leather ensembles as they strolled the Vancouver streets during night filming for their DC Comics series Arrow on ...

But Cassidy, who suffered from dementia toward the end of his life, wasn’t just a friend — he was also a strong mentor with great advice. “Do not work for money,” he told his daughter.

David Cassidy would have been 75 — and while he's no longer here, his daughter Katie Cassidyshared how she plans to honor him on his birthday.

To play the Black Canary on the CW superhero series, Cassidy has to be in tip-top shape at all times — especially considering that her costume is a skin-tight leather ensemble.

Laurel (Katie Cassidy) has been training hard (and ultimately making some poor choices) on Arrow lately, and two new pictures show her finally all suited up. Ever since — spoiler alert — the ...

The moment Arrow fans have been waiting for finally came to fruition during last week’s episode as Katie Cassidy suited up as the Black Canary.

It's true! Actress Katie Cassidy has joined fellow industry insiders such as Ashley Madekwe and launched her very own fashion blog, Tomboy KC. I interviewed the Arrow star at a Rebecca Minkoff for ...

Cassidy, who has her own fashion blog, Tomboy KC, tells E! News how she helped to create the Black Canary's look.

"Arrow" star Katie Cassidy is finally suiting up as the DC Comics superheroine Black Canary. Get your first look at her costume here.

Ever since Katie Cassidy was cast as Laurel Lance in "Arrow," fans have been patiently waiting for her to step into her character's superhero shoes ... or, in this case, kickass leather boots ...

Between exploring the city, celebrating with a chic din, and slipping on many pairs of specs, actress/blogger Katie Cassidy and her trusty BFF/partner-in-crime Lynsey Eaton gave us the lowdown on ...

Katie Cassidy and Stephen Huszar are taking their romance off-screen. The former “Arrow” star, 36, and Huszar, 39, will soon appear together in the upcoming Hallmark movie “A Royal Christmas ...