Synonyms for Looker (same or very similar meaning)
WordNet sense 1 (a close observer; someone who looks at something (such as an exhibition of some kind)):
spectator, viewer, watcher, witnessWordNet sense 2 (a very attractive or seductive looking woman):
beauty, dish, knockout, peach, ravisher, smasher, sweetheart, lulu, mantrap, stunnerFrom the ODE community, based on WordNetadd/edit