Katie Cassidy can sure rock the hell out of a bikini! On Sunday, the Arrow star hit the beach with a couple of friends in Miami, looking like her usual hot self. Clad in a sexy two-piece, the actress put her fit figure and rock-hard abs on display while splashing around in the ocean. Of course, this isn't the first time we've gotten a peek at Katie's bangin' bikini body. Earlier this year, the star flaunted her enviable curves during a romantic getaway with boyfriend Thomas Taylor before linking up with her equally gorgeous costar Emily Bett Rickards in Miami. Grab a cold towel and keep reading for more of Katie's steamy vacation, and then check out the hottest bikini moments of 2016 — so far!