The original Canary definitely had a more sexy side to her.
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Black Canary gains some control and appears ready to confront her sister.
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The Original Canary up against Vertigo, holding Black Canary's baton. Has Black Canary become Canary in her visions?
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Sara stares down at her big sister, perhaps wondering why they look so similar, perhaps cheering her on...
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When Vertigo gives Laurel a full dose, she faces her biggest fear -- Sara as Canary.
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Canary has Arrow's back in this photo from the Arrow Season 3 premiere. Was there any doubt?
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Sara is on the attack, flying in from high in "The Man Under the Hood."
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Tiny Sara isn't much of a match for Deathstroke, either. Team Arrow could be in trouble!
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Arrow Quotes

Diggle: I see you brought your plus one.
Ray: Nice to meet you. Ray Palmer.
Diggle: John Diggle. [whispering into Ray's ear] You hurt her, they'll never find your body. [louder] Nice to meet you!

Felicity: What's going on? Ray?
Ray: Oliver Queen is the Arrow.
Felicity: What?
Ray: I have a 140 IQ and three PhDs, but it's pretty hard to insult my intelligence, but I'm pretty sure you just did. It all makes sense now. Your, ah, sudden disappearances, your apprehension of helping me with my mission. You've been working with the Arrow this whole time.