This is what she had to say on Ellen DeGeneres chat show.

Christina Aguilera said: "I was just amazed by the whole process of being pregnant.

"It's unbelievable to see yourself grow like that.

"So my stomach was huge back then, and now my chest is huge!"

About lovely Max she said: "To see the product of your love together is just incredible - my husband and I just can't stop staring at him."