Christina Aguilera Says Baby Daughter Summer and Son Max Are BFFs!
 

Christina Aguilera Says Baby Daughter Summer and Son Max Are BFFs!
Christina Aguilera says big brother Max, 7, is quickly becoming baby sister Summer Rain's BFF; get the adorable details on Aguilera's son and daughterThis article originally appeared on Usmagazine.com: Christina Aguilera Says Baby Daughter Summer and Son Max Are BFFs!