• CHRISTINA AGUILERA photo | Christina Aguilera

Credit: Amanda Schwab/Startraks

Published: Sunday April 28, 2013 06:00 AM EDT



Christina's healthier lifestyle is continuing to pay off. The singer looks svelte in a Victoria Beckham cut-out black gown which she amps up with her signature fire-engine red lips and nails, and Lorraine Schwartz jewels, also at the TIME 100 Gala.