Little Mix performed with CNCO at the X Factor Final on Sunday. Jade Thirlwall wore a custom River Island Multi Layer Puff Sleeve Shirt ($60.00), Dolce & Gabbana High Waisted Silk Charmeuse Shorts (Sold Out), a Butler & Wilson Pendant Art Deco Style Cross Chain Necklace (£58.00) as a belt, and Carvela Spandau Military-Inspired Suede Ankle Boots ($220.00).