Back when she was well-known, and when I was wearing too much eye makeup, I used to be told a lot that I looked like Avril Lavigne. But at my high school there was a guy who looked like Justin Timberlake the teen version.
I e-mailed a Y!A person in Ireland and told her I thought she beared a resemblance to the TV actress, Jill Hennessy ("Crossing Jordan", and "Law & Order"). I sent her a link to a photo webpage of Jill Hennessy. http://www.tv.com/jill-hennessy/person/7894/photos.html BTW, I think Jill Hennessy is Irish & quite attractive!
Not only was she offended, she'd never heard of Jill Hennessy. She then asked me how I would feel if she were to say I resembled "Jacki Chan"?....then, she dumped me as a "friend/contact" and blocked my e-mail!
...and I thought I was being complimentary....(sigh!)