Gwen Stefani and Blake Shelton's Surprise Duet

After the Academy Of Country Music Awards, Blake Shelton performed a surprise pop-up concert and his girlfriend couldn’t help but get in on the act.

On Sunday night, Shelton tweeted that he was going to perform a free show at the House of Blues in Vegas after the ACMs and was bringing along some “friends.”

His lady love took the stage around 1:30 a.m. Monday and performing several songs, including “Hollaback Girl” and “Hella Good.”

Khloe Kardashian Leaves Cleveland

Kris Jenner and the Kardashians aren’t staying with Khloé Kardashian in the wake of Tristan Thompson’s cheating scandal. Kim and Kourtney Kardashian and Kendall Jenner were seen on a private plane leaving Cleveland, Ohio this week. 

Katy Perry Flashes The American Idol Audience

The pop star suffered a major wardrobe malfunction on Monday's 'American Idol' but she's making light of it all.