Doesn't Jenna look like..

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I was thinking Barbara Stanwyck.
http://www.imdb.com/media/rm3513817088/nm0001766
http://www.imdb.com/media/rm2928121856/nm0001766

I think the question should be "Doesn't Bonnie Dennison look like Jenna?" ;-)

She looks like Amy Adams.

Isla Fisher also looks like Amy Adams as well.