Christina Aguilera has revealed her feet increased two sizes during pregnancy. The songstress, who delivered her child Max Liron in January, said she was surprised by how her tiny feet swallowed. She told Glamour magazine, “My stomach was really where I carried my weight. Toward the end of my pregnancy, I felt really big - I gained about 40lbs, which is a lot for my size. My hips also changed significantly. And my feet grew from a size five-and-a-half to a size seven in flats!" But she was happy when she returned to her previous size as she didn’t like the idea of changing her whole footwear collection. She said, “Thank God my feet went back to normal. I would have been so depressed if I had to get rid of my shoe collection!"