Halsey and her fiancé Avan Jogia coordinated in Rahul Mishra couture on Saturday at Gold House’s fifth annual Gold Gala in Los Angeles, with the singer taking look 30 from the designer’s spring 2024 couture collection off the runway and onto the gold carpet. Avan Jogia and Halsey in Rahul Mishra spring 2024 couture at the Gold House 5th Annual Gold Gala held at The Music Center on Saturday in Los Angeles, Calif. Chad Salvador The singer wore a sheer blush-toned gown from Mishra’s “Superheroes” collection , which Jennifer Weil wrote for WWD “plunged deep into the magnificent world of insects — fireflies, moths, dragonflies — and reptiles.” Mishra used the couture lineup to draw attention to biodiversity loss, translating those creatures’ colors and forms through hand-embroidery. Halsey wore look 30 from Mishra’s spring 2024 couture collection , a blush-nude tulle gown with tiny beaded straps and a deep V that plunged to the waist.…