Shawn Mendes sent the crowd wild when he joined Justin Timberlake onstage at the, 'iHeart Radio Music Awards,' for their rendition of Timberlake's, 'What Goes Around... Comes Around.'
Timberlake teased his Instagram followers ahead of their performance sharing a snap of himself and the 'Stitches' singer backstage captioned, ''About to bring this guy on stage...''
The 'NSYNC' star captured the moment on his Instagram story.
He can be heard saying, ''Ladies and gentlemen, I'm a big fan of this young man... He's very talented... Please welcome, Shawn Mendes.''
After their performance, Mendes took to Instagram thanking Timberlake for being, ''such an incredible guy.''
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Timberlake shared a video of their performance to Instagram showing off Mendes' incredible vocals, check it out below.
This is almost as exciting as the upcoming 'Westlife' reunion. Read more on that here.