Christina Aguilera is preparing for her Las Vegas residency, showcasing her ability to reinvent herself. During a recent appearance on Jimmy Kimmel Live, Aguilera rocked a trendy new look with a bob haircut and thigh-high leather boots. She also discussed Britney Spears and her memoir, expressing hope for a positive future for the pop star. Aguilera s upcoming Vegas show is expected to be a celebration of her transformation and success.