See Christina Aguilera's Sweet Birthday Message to Daughter Summer

As for how her little ones have changed her life for the better?
"It just shifts your focus so much when you have a child," she confessed. "In business, in general, and as an artist, you're in a sea of extreme narcissism. It is your focus. You are your work, your focus and goals. Being a very ambitious girl at a very young age and having worked my whole life, having my kids was a time where it wasn't about me anymore."
However, Christina noted that it did take some time for her to find the right balance being a working mom.
"At a certain point, Mama had to get back to work," Christina explained at the time of getting back into the studio and her 10 month Las Vegas residency. "I was suffering inside because I wasn't touring. I wasn't doing what I love to do, so we fixed that."
Read on to see more family photos of Christina, Matt, Max and Summer.
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