I'm not actually answering this meme. Instead, I'm linking to Dirty Harry's Place for his answers. They're great. Here's his #1 and #2 picks:

1. Barbara Stanwyck: Number one for no reason more complicated than the fact that I’m desperately in love with her.
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2. Judy Garland: Because there will never be another. Not even close.
Read the rest of his list here.
-rlh-