Kylie Jenner is proof you can steal the show at a Knicks basketball game without being a WAG . All you need is an NBA-obsessed boyfriend (extra points if it's Timothée Chalamet ) and a slam dunk of an outfit. On April 28, she sat courtside at her fourth New York Knicks game with Chalamet. Sorry, Knicks, but Jenner's white jeans and heeled flip-flops were the real winners.

Unlike her boyfriend, Jenner traded Knicks merch for something the fashion girls at home would appreciate: vintage jeans from Isabel Marant's Spring 2013 show. The slightly baggy straight-legs aren't your average denim. Still, they fit right in with spring's uptick in celebrity white jeans outfits . Plus, some of her rarest vintage has debuted during a Knicks game.

Circular silver studs—and the occasional ruby gemstone—arranged in a Western-inspired pattern decorated the outer edge of each leg. This pivot made them the perfect pair for courtside pics, which historically spotlight the bottom-half of a VIP's 'fit.…