Christina Aguilera’s Son Max Is ‘Like a Grandmother’ to His Baby Sister

01/30/2015 at 11:00 AM ET

Christina Aguilera Extra daughter new music
Steve Jennings/Getty

New mom Christina Aguilera has everything a girl could want.

“I have a chill baby, she’s just so calm and so easy to make laugh and smile, she’s just a breeze, thank God!” the singer told Extra of daughter Summer Rain, whom she welcomed in August.

“She’s just so beautiful, these big blue eyes, she’s just so gorg … [I’m] very happy and feel very blessed having Summer Rain in my life,” she says of her first child with fiancé Matt Rutler.

Aguilera, who will be returning as a coach for season 8 of the The Voice, isn’t the only one completely head over heels with the new addition. The mom of two says that her firstborn, son Max Liron, 7, has happily stepped up as a big brother.

“He’s just so endearing and sweet to her,” Aguilera, 34, shares.

And while she’s happy to let Max love on his sister, the songstress is strict about enforcing healthy habits before he holds her.

“I’m like, ‘Wash your hands before you touch the baby’ … you don’t want the germs,” she explains. “He’s in school … there’s a little age gap, but it’s perfect though because then they don’t fight over toys.”

Aguilera adds, “He’s the big helper and the big teacher so he’s awesome. He’s just so loving and sweet. I’m like, ‘How old are you?’ He’s like a grandma to her, he’s just like, ‘I’ll teach you everything.'”

But Aguilera admits her 5-month-old baby girl — who made her digital debut when the proud mama posted a photo of Summer wearing “Lil Diva” bloomers — is pretty irresistible. “Her little tushy! The little chunky legs. I love it, I love to nibble on them,” she shares.

And although she won’t reveal any big secrets about her return to the studio — other than she’s working with Pharrell after they “connected” during her pregnancy — the fans can expect much of Aguilera’s upcoming music to reflect her life recently.

“It’s genuine and it’s heartfelt and I’m very excited to pour my heart out into this record fully,” she says. “I’ve  been gathering and writing and coming up with these amazing ideas for different parts of how I was feeling the past year, so I’m really excited to vocalize all of it and make it all come together.”

— Anya Leon

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Showing 6 comments

Anonymous on

Grandmother , really?! I think he’s acting like a great big brother?

Karen on

Seriously? They are just kids and think Mom is confused.

Linda on

Sings okay, but was always a dingbat.

bkable on

How come magazines always reference babies as their full names (and even Christina does it too!!) ?? You can call her Summer, we’ll know who you’re talking about … In fact, Summer is a very pretty name; Summer Rain is not.

Max on

To those criticizing her choice of words in describing her son’s nurturing behavior toward his sister as grandmotherly, the video shows that the reference was meant to describe the maturity of her son in how loving and sweet he is with her and how he wants to show her how to do everything, etc. I took it as her jokingly saying his actions are beyond what is expected from his age in that way. No confusion or dingbatness present. I think its sweet that he has taken to his role and obviously loves his little sister. She looks good! I can’t wait to hear new music from her!

Hea on

What happened to her? So much make up, badly bleached hair and you can clearly see the contour a boob implant. She used to be beautiful.