Celeste is Sebastian's younger sister, and Zander's former lover. A glamorous, forward-thinking businesswoman who works in the nonprofit and charity space. Keen, outspoken, and extremely opinionated, but sweet and nurturing. Celeste has her shit so together that she needs to butt into other people’s lives to get their shit together instead. She carries the weight of the world on her shoulders.
Sebastian is Celeste's older brother, but she learned pretty early on that he's no one to look up to. Celeste views her brother as stuck in his past and worries about him. Celeste wants the best for her brother, and secretly hopes that one day he gives up his company to work in philanthropy like she does.
Celeste dated Zander on and off for years, before she finally broke up with Zander when he couldn't choose her over his work. Celeste has always regretted how horribly Zander took the breakup, and wishes they could have remained friends. Celeste likes to pretend that they only dated to mess with Sebastian, but knows that their connection transcends their relationships with Sebastian--they just got each other.