Christina Aguilera Describes Son Max's Brotherly Love for Baby Summer

Only “Extra’s” Renee Bargh was with Christina Aguilera for a one-on-one interview as she prepared to return to “The Voice.” Christina opened up for the first time about her new baby with fiancé Matthew Rutler, 5-month-old Summer Rain. Christina also chatted about her upcoming new album, and collaborating with Pharrell for a song on it.

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