Last Friday, stylists-to-the-stars Elizabeth Stewart and Jordan Grossman — who founded the nonprofit Chic Relief during the pandemic — were packing pieces for five personal friends who lost their homes in the fires. The idea was to help them rebuild their closets after they’d lost everything. “And we thought, ‘You know what? We think we can do this for a lot more people!'” says Stewart.

In the days since, Stewart and Grossman have launched an ambitious effort to clothe and assist hundreds of families who lost everything in the Los Angeles fires. They’re not alone. A growing network of stylists, celebrities, Hollywood executives and creatives have joined in (or are working on their own) to extend the reach of relief efforts.

Jeanne Yang (who has dressed Keanu Reeves and Taika Waititi, among others), is one of them. “Maybe I have a pair of sneakers or boots from a music...