Gwen Stefani and Blake Shelton brought their love to the Billboard Music Awards on Sunday night (May 22nd), when they performed their hit song ‘Go Ahead and Break My Heart’. The couple, who have been dating since late last year, debuted the song on ‘The Voice’ earlier this month, the same place where they first began their relationship.

A photo posted by Gwen Stefani (@gwenstefani) on

But speaking to Ellen DeGeneres on Monday’s edition of her talk show, Shelton admitted that sometimes it’s hard not to laugh when performing with his significant other. "We kind of did laugh a few times," he said.

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"There's moments where it's like, Wow, we're singing this song like we're going to break up, and we're not breaking up right now, so it seems kind of weird. When we wrote the song, we never saw it going there, I don't know that we ever really saw it going anywhere.”

"I only started the song to impress her. To be like, 'Hey, I’m writing a song about ya’. So I sent it to her, and then she wrote the other half of the song. I was like, 'Oh, she just one-upped me,’ so …" The song appears on Shelton’s latest album If I’m Honest, which was released on Friday.

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Backstage at the awards Stefani shared a seres of love-up Instagram pics with Shelton as they prepared to take the stage. In one of the pics Stefani is seen laughing as she stands beside her man and in another the pair are all smiles as they pose together.