Rylee Arnold/TikTok; Theo Wargo/WireImage Rylee Arnold channeled her inner Christina Aguilera on Dancing With the Stars. Arnold, 19, slayed with platinum locks and chunky black highlights — just like Aguilera’s hair in 2002 — while performing with Stephen Nedoroscik during the 33rd season’s Oscars Night on Tuesday, September 24. Her blonde hair, which is normally…