Christina Aguilera ‘Glowing’ at Miley Cyrus Concert

02/24/2014 AT 2:45 PM ET

These Disney gals are sticking together!

Christina Aguilera – who is expecting a baby with fiancé Matt Rutler later this year, PEOPLE confirmed – supported Miley Cyrus at Saturday night’s Los Angeles stop of her Bangerz Tour at the Staples Center.

Clad in a loose white T-shirt, skinny jeans and sky-high heels, the Voice coach, 33, “looked radiant and glowing” as she walked around with girlfriends, a source tells PEOPLE.

After the concert, she Tweeted a photo of Cyrus, 21, in one of her revealing costumes, reminiscent of Aguilera’s former “Stripped” days.

“Cheers from one dirrty girl to the next @MileyCyrus wear em’ loud & proud, girl- yes!!” she captioned the photo.


– Melody Chiu

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