starlet / starlit are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
starlet: (noun) a young (film) actress who is publicized as a future star. (noun) a small star.
starlit: (adjective) lighted only by stars.
starlet: s·t·AA·r·l·ah·t
starlit: s·t·AA·r·l·ih·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)