sex symbol 
noun
A person widely noted for their sexual attractiveness: being called a sex symbol is better than being called a haddock...
- She, above all people, realized that he would be a sex symbol and a heartthrob, and you know, he was initially bashful and kind of rattled by all the attention, but now he has eased into it, and I think he rather enjoys the role.
- Yes, for years, the ‘Baywatch’ beauty has been a sex symbol.
- What happens when a Hollywood sex symbol, a glamour queen or a knockout girl next door gets older.