Idolator — The song is called “Try My Best,” which Mendes co-wrote with the groom. more info

Idolator — “To thank his fans for an amazing year.” more info

The Daily Mail — Sharing a sweet snap on her Instagram, the 29-year-old singer couldn't help but smile as she cosied up to her former flame, 23, and singer Shawn Mendes, 18. more info

MTV.co.uk News — And we totally don't blame her. more info

Chicago Tribune — B96's Jingle Bash featured a night of hits from big and burgeoning stars alike on Saturday at a sold-out Allstate Arena. From long-established artists Britney Spears and OneRepublic to relative newcomers Shawn Mendes and Alessia Cara, whose viral vid... more info

MTV.co.uk News — NOW. more info

Jam! Showbiz Music, Canada — Mendes to perform at Juno Awards more info

Idolator — The teen crooner makes his SNL debut. more info

Idolator — Sexy! more info

Idolator — Abs. more info