The 'Dirrty' singer - who had son Max by Caesarean section on January 12 - opted for the elective surgery after hearing some worrying tales.
She said: "I'd heard horror stories about tearing. I really wanted a calm and peaceful environment. I didn't want any surprises."
Christina says husband Jordan Bratman wasn't at all worried about what he would see and videoed the whole birth.
She said: "Jordan wasn't squeamish at all. He had the video camera ready to go."
The 27-year-old blonde burst into tears when her baby boy was delivered safely into the world.
She added to Britain's Hello! magazine: "The most reassuring thing for me was hearing that first beautiful cry. I just welled up with tears.
"Now we just can't stop staring at him. We study him, he studies us back. It's just an unbelievable experience, the whole journey. It's just a beautiful time on our lives."
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Christina Aguilera
