Christina Aguilera did a 'photo dump' on Monday and in her array of Christmas pictures, were a couple of very sweet - and fast growing up - kids.MORE: Christina Aguilera goes make-up free - and looks amazing WATCH: Take a peek inside Christina's seriously extra home decor!The Dirrty singer also shared some photos of herself in a festive red bikini, snuggled up with her fiance Matthew Rutler, in a pool on Christmas Day.
But it was the sweet photos of her growing kids that really got fans excited.Most couldn't believe how grown up Max, now 12, was looking in a sweet picture of him and his mum cuddled up in cosy tracksuits.
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