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Christina Aguilera's Post-Baby Red Carpet Return Is Jaw-Dropping

Welcome back to the spotlight, Christina Aguilera!

Naturally, the 33-year-old looked fabulous in a plunging red gown at the Breakthrough Prize Awards, which was held in former NASA airship shelter, Hanger One, in California.

Christina complemented her sizzling dress with dramatic makeup— ruby red lips and a smoky eye—voluminous platinum blond curls and a smouldering stare.

The secret to "The Voice" coach's gorgeous post-baby look? As per usual, it's all about putting time in at the gym and eating well. "Christina has hired a trainer and is really dedicated to getting thin again," Us Weeky reported. "She lost 46 pounds from changing her diet and working with a personal chef."

One thing's for sure: the "Dirrty" singer's hard work is paying off!

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