Christina Aguilera 2024 Weight Loss Diet. Christina restricted her daily food intake to 1600 calories and implemented the rainbow diet, which consists of eating “brightly colored fruits and vegetables” every day. Christina aguilera has been vocal about her body's transformation over the years from weight gain to weight loss, while still loving the skin that she’s in.

Before and after photos show her transformation. Christina aguilera took a slightly unusual approach to eating to help.