Aria Trill is a Sim that ships with Bridgeport from Late Night. She wants to be famous to get a big fortune and nothing else (according to her bio and lifetime wish). She is a two-star celebrity. She has 7 skill points in Guitar skill and would own a successful band, though she needs to master her Guitar skill for her job.
She is good friends with Bart Hammer, friends with Ebenezer Clavier, and distant friends with Tom Wordy. In more than one case Aria often begins a romantic relationship with Ebenezer Clavier. Her bio also implies that she has no lover because she is too lazy to go out there and find one. She may dye her hair since it has different roots from her actual hair color. She lives in Two Leo Center, which is said to be the second prime location to live in.
Her name is a mixture of two musical terms: aria, "a long, accompanied song for a solo voice", and trill, "a quavering or vibratory sound".