Others are physically very attractive but something about them really is off putting. Elizabeth Hurley is one.
Every time I see her I think "skank" despite the fact that she is very pretty. I think part of it is her laugh which can only be described as a cackle.
She's Catherine Zeta-Jones level beautiful but somehow audiences never warmed to her and her movie career never got out of Jacqueline Bisset "dreamgirl" territory.
I bumped into Liz Hurley and her boyfriend at the time, Hugh Grant, at Bruno's Bakery off Bleecker Street on LaGuardia in NYC very late one night in the spring of 2000. I didn't recognize them immediately, but we were the only ones there (me and my friend who went in for a 'before closing time cannoli & cappucino,' and Grant & Hurley) and my friend pointed them out to me.
Anyway, Hurley didn't look notably good looking at all. She was shorter than I expected (most movie celebs are), almost painfully thin and wearing an ill fitting yellow jumpsuit. Her skin was bad, actually, and her hair was oily and matted. She didn't look like a world-class model and actress to me.
They were very nice to the staff and were very naturally and credibly affectionate with one another. At times Hurley was picking at her desert and feeding it to Hugh, which was very cute. We even made some light conversation (though we didn't let on to them that we knew who they were). Very nice folks, and they left before we did - it was just closing time - and we exchanged good evening wishes to each other.
A few weeks later they split up. Oh well.
Anyway, in 'real life' at least that night, she didn't look particularly good and I think much of her physical allure is makeup, wardrobe, and movie/model camera magic. In any case, they both seemed like very nice, friendly people. I have bumped into many celebrities in my time in NYC and I think they tend to react nicer and naturally when you don't 'recognize' them and just treat them politely and like regular folks.