18. Christina Aguilera
When Christina Aguilera was pregnant with her second child, she gained a significant amount of weight. However, once she gave birth, she did her best to drop 30 pounds. This was the excess baby weight. She says she loves her body regardless of the size of pants she wears, however, she was very happy to lose all that weight and get slimmer ahead of the next season of the voice. Additionally, she felt more energetic and confident, ready to take on her demanding role as a coach on the show.
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