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Katy Perry Poses With Mariah Carey at Mimi's Vegas Show

Ethan Miller/Getty Images
Mariah Carey performs during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

Katy Perry is letting the world know she's a "lambily 4lyfe."

The singer attended Mariah Carey's Las Vegas show over the weekend, and she had the time of her bleeping life. 

Like every excited fan at a concert, Perry posted a few Instagram snaps after the event. Unlike every other excited fan, Perry got to pose with Carey herself.

 

moments.

A video posted by KATY PERRY (@katyperry) on Jul 20, 2015 at 12:29am PDT

 

MORTA LINDA

A photo posted by KATY PERRY (@katyperry) on Jul 20, 2015 at 12:55am PDT

 

lambily 4lyfe.

A photo posted by KATY PERRY (@katyperry) on Jul 20, 2015 at 12:09am PDT