Yet Aguilera was still coming in second to Britney. Her appearance on the sexy 2001 remake of "Lady Marmalade" suggested a way into the spotlight. She radically altered her image for 2002's Stripped and became Xtina, widely mocked for her look even as her voice proved soulful and mature. But in 2006 she released the acclaimed Back to Basics, a tribute to the jazz and soul she says inspires her, and cemented her status as a grown-up diva.