How do I tell a lady I work with I like her?

We've known each other for a while, lately I keep getting the feelings bug, and because I have more of a resemblance to the second guy I'm the cartoon I've always been cautious about this kind of stuff. I'm fairly certain the feelings are not mutual but my friend has been telling me to just talk to her about it.
How do I tell a lady I work with I like her?
How do I tell a lady I work with I like her?
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