13 must-see fashion moments from the 2026 Sundance Film Festival

13 must-see fashion moments from the 2026 Sundance Film Festival

What Charli XCX, Natalie Portman, Alexander Skarsgård and more celebs donned in Park City.

Charli XCX’s Sundance Puffer Had a Secret Weapon and It Came From Under Armour

When Charli XCX stepped out at Sundance wrapped in oversized puffer jackets that instantly went viral, most fans clocked the look as peak Brat Summer energy translated for winter. Fewer realized there was a performance powerhouse behind the moment. Under Armour quietly played a key role in bringing the now-iconic jackets to life, partnering with Charli XCX’s longtime stylist Chris Horan to outfit the pop star during the buzzy Sundance debut of h…