VIDEO: Caitlyn Jenner Lends Voice to 'Trans List' Documentary

Caitlyn Jenner is lending her voice to a new HBO documentary titled The Trans List.

The documentary, which explores the experience of transgender Americans, also features celebrities including Laverne Cox, Janet Mock, Kylar Broadus, Caroline Cossey, Buck Angel, Nicole Maines, Amos Mac, Bamby Salcedo, Shane Ortega, Alok Vaid-Menon, and Miss Major Griffin-Gracy.

“What is this thing, ‘female?’” Caitlyn asks in the clip. “It’s more than just hair and makeup.”

The Trans List premieres on Monday (December 5) on HBO. Watch the first promo below…

Also pictured inside: Caitlyn dropping by a gas station on Sunday (November 27) in Malibu, Calif.