What Diet Did Christina Aguilera Go On? The 'Rainbow' Approach and Lifestyle Shift
                                
                                
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                                    5 min read                                
                            
                                Following her son's birth in 2008, Christina Aguilera reportedly lost 40 pounds by restricting her daily food intake to 1600 calories and following a 'Rainbow Diet'. This approach emphasizes eating a variety of colorful fruits and vegetables daily, alongside lean proteins and healthy fats.