For 10 years,Christina Aguileraputtouring on holdfor two very special reasons: her kids.
A doting mom to 4½-year-old daughterSummer Rain(with fiancéMatt Rutler) and 11-year-old sonMax Liron(with ex-husbandJordan Bratman), Aguilera is now again busier than ever as she preps for hernew Las Vegas residency,The Xperience, at Planet Hollywood.
“It’s definitely not easy. I will openly say that,” she tells PEOPLE aboutbalancing motherhood with her ever-evolving career. “The key is truly making sure that they always feel safe and always feel connected.”
Now with Max in his tween years, he’s “got his own thing going on,” shares Aguilera, 38. Her daughter, however, is still very attached to Mom.
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Last year on herLiberation Tour, the singer brought Summer out on stage — and her little girl was a constant presence behind the scenes as well.
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After Aguilera would exit the stage, “[Summer] would absolutely get mad at me if I didn’t invite her on,” says the star. “I was like, ‘We can’t do that every single night, babe!’ It’s very cute.”
Christina Aguilera.Zoey Grossman

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Aguilera may also have a budding star on her hands. Whiletraveling on tour with Mom, Summer “loved the energy,” the “Beautiful” songstress tells PEOPLE.
“She loves performance energy, and everybody’s in costume so it’s allowing her to be herself,” Aguilera explains. “I would let her wear herPAW Patrolcostume every single night. Now she’s super into Spider-Man.”
At the end of the day, the singer says she’s happy to be flexing her creative muscles again — but only if herchildren continue fulfilling their own passions: “I always want to make sure they feel their own vibes and interests are being met first. Then I can relax and be creative!”
For much more on Christina Aguilera’s new residency show, motherhood and 20 years of pop superstardom, pick up the latest issue ofPEOPLE, on newsstands Friday.
source: people.com