Taylor Swift and Justin Bieber had a surprise duet of Justin’s hit song “Baby” during one of Taylor Swift’s recent concerts in Los Angeles , and it turns out that the surprise duet isn’t the last time they would collaborate.
The country superstar, 21, and the teen heartthrob, 17, have written a new song together. Grammy-winning songwriter and producer, Thaddis Kuk Harrell revealed it on Twitter Saturday.
“Wow!! Got to see @justinbieber & @taylorswift13 write a song together last night!! SMASH!!!! SMASH!!! SMASH!!! Let's do it again Yall!!!” he wrote.
“@taylorswift13 You and Justin Killed that writing last night!!! SMASH!!!!!!!” he added.
Bieber and Swift didn’t comment about the song themselves, but Bieber responded to Harrell’s tweet by retweeting it.