The fashion It-girl rewore a Prada cocktail dress that was made for her for an event in 2016.

Zendaya wore a vintage Versace gown that was from the Maison's Autumn/Winter 1996 collection—the year she was born!

The M Missoni gown is made from recycled polyester and upcycled Missoni threads.

Ellie Goulding's Ralph & Russo gown is peppered with 150 ethically sourced emeralds from responsible coloured gemstones supplier, Gemfields.

The beige Zegna suit is made from the brand's #Usetheexisting project that recycles offcut materials.

The sleek dress was from the TommyXZendaya SS19 collection, and it was previously worn by Priyanka Chopra to the 2019 Cannes Film Festival.

The evening dress is made from a Miu Miu gown from the '30s that features a sequinned collar.

Tomi Adeyemi's Valentino dress is made from OEKO-TEX certified chiffon organza silk, while the gloves and sandals are from the fashion house's archives.

Virtual influencer Lil Miquela was spotted rewearing an ensemble that she first donned to the 2019 CFDA Awards.

The custom-made dress is created with Re-Nylon—an ecological and sustainable fabric created with ECONYL® regenerated yarn.

The Tom Ford Atticus cocktail jacket is from the brand's archives.