Some fans who were lucky enough to be wowed in personshared clips of the high-octane set to social media— as did the Staples Center’s official Twitter account.

The collab was belated payback for Stefani’s performance at theiHeartRadio Music Festival in 2012, when Pink joinedherat the MGM Grand Arena in Las Vegas, Nevada.

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Gwen Stefani joins Pink on stage to suprise fans with when they played Just a Girl on the Beautiful Trauma tour at the Staples Center in Los Angeles, CA

Gwen Stefani joins Pink on stage to suprise fans with when they played Just a Girl on the Beautiful Trauma tour at the Staples Center in Los Angeles, CA

Pink, 38, thanked her friend with a touching post shared to Instagram. “Y’all don’t even understand how much love I have for this chick, this rocker, this mama, this entrepreneur, this total OG badass that is@gwenstefanithere really aren’t any comparisons as far as I’m concerned,” she captioned a photo of the performance.

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“Tonight was fun. Thanks friend @gwenstefani,” she concluded her note.

Stefani, 48, shared her own appreciation via Instagram Story, panning the crowd from her seat while saying, “Thank you Pink for having me! I love you; that was awesome.”

Pink And Her Daughter Willow Share A Moment On Stage In Los Angeles, USA.

Also joining Pink on stage was her daughter Willow, who turns 7 on Saturday, sporting a new purple ‘do.

source: people.com