40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion

40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion

21 Apr 2026

In case you missed the memo, 40 is the new 30, and as such, deserves a celebration that is equal parts revelrous and refined, with a wardrobe to match.

From dazzling diamonds to statement pieces with presence, glamorous gowns, and sophisticated suiting, here, we share an edit of what to wear to mark 40 with conviction.

What To Wear

Own the milestone — or celebrate someone else’s —  in effortlessly polished looks that tread the line between bold, modern, and timeless.

40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Elsa Hosk wearing Murlong Cres dress
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Rotate Ruched maxi dress from Moda Operandi
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Elsa Peretti Claw necklace from Tiffany & Co.
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Serpenti Forever mini top handle bag from Bvlgari
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Mesh fabric slingback pumps from Prada
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Suki dress and cape from Paris Georgia
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
High jewellery earrings from Graff
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Austin Butler
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
HardWear Graduated Link necklace from Tiffany & Co.
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Single-breasted wool and mohair tuxedo from Prada
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Stretch cotton poplin shirt from Gucci
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Messika Move Titanium black PM ring from Partridge
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
À Cheval transformable earrings from Van Cleef & Arpels
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
ALAÏA Ruched stretch-jersey midi dress from Net-a-porter
40th around the corner? Whether it’s your milestone or someone else’s, here’s what to wear to mark the occasion
Play of Light Diamond Tennis bracelet from Sutcliffe

Coveted

Cartier’s new Clash de Cartier bag turns a jewellery icon into a handbag closure

Coveted

Cartier’s new Clash de Cartier bag turns a jewellery icon into a handbag closure

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