Blake Shelton, Gwen Stefani Pack on the PDA During Hamptons Concert

Blake Shelton and Gwen Stefani
Blake Shelton and Gwen Stefani attend Apollo in the Hamptons 2016 at The Creeks on August 20, 2016 in East Hampton, New York. Kevin Mazur/Getty Images

No doubt they’re in love! Blake Shelton and Gwen Stefani flaunted their romance during a PDA-packed performance at the Apollo in the Hamptons: Night of Legends event in East Hampton, New York, on Saturday, August 20.

The couple took the stage at billionaire Ron Perelman’s estate to perform their duet, “Go Ahead and Break My Heart,” a single from Shelton’s latest album, If I’m Honest. The “God Gave Me You” crooner, 40, and the No Doubt frontwoman, 46, stood close to one another as they gazed into each other’s eyes during their entire set.

Together, they belted out sentimental lyrics such as, “I never ever meant to get so into you / Thought I was using you just to get me through / You know I’m broken I don’t trust anyone / Last thing I needed was to fall in love.”

Blake Shelton and Gwen Stefani
Blake Shelton and Gwen Stefani perform at Apollo in the Hamptons 2016 at the Creeks on August 20, 2016, in East Hampton, New York. Kevin Mazur/Getty Images

After singing the tune, which Shelton and Stefani wrote together, the pair embraced each other in front of a star-studded crowd. Famous concertgoers included Jennifer Lopez, Christie Brinkley, Usher, Pharrell and Jon Bon Jovi, among others. 

"[Blake and Gwen] were super cute [when they performed]," an onlooker tells Us Weekly. "Gwen also sang a few songs solo. She was supposed to sing about 8 songs, but people behind the scenes thought that was gonna be too long."

Ciara and Lionel Richie also performed at the annual fundraiser in support of the legendary Harlem venue.

During an August 5 appearance on the Today show, Shelton revealed that he initially penned “Go Ahead and Break My Heart” in an effort to win his fellow Voice coach’s heart.

Blake Shelton and Gwen Stefani
Blake Shelton and Gwen Stefani perform at Apollo in the Hamptons 2016 at the Creeks on August 20, 2016, in East Hampton, New York. Kevin Mazur/Getty Images

“It’s funny because I started the song to just try and impress her because at that time, we were getting to know each other,” he said of wooing his girlfriend. “And it was like, ‘I’ll write her a song, that’s what I’ll do.’”

Blake Shelton and Gwen Stefani
Blake Shelton and Gwen Stefani perform at Apollo in the Hamptons 2016 at the Creeks on August 20, 2016, in East Hampton, New York. Kevin Mazur/Getty Images

Stefani has given credit to Shelton for influencing her latest musical efforts as well. Back in March, the “Used to Love You” songstress told Refinery29 that bonding with her country star beau over their public divorces — from Gavin Rossdale and Miranda Lambert, respectively —served as inspiration for material on her third solo LP, This Is What the Truth Feels Like.

"I think that when you go through what I went through, or what I’m still going through, you think you’re hopeless. You don’t know what’s going to happen,” she said. “You panic. It was a really super-unexpected gift to find a friend, somebody who happened to be going through the exact same thing as me, literally mirroring my experience. I don’t think it’s an accident that that happened. It saved me."

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