WATCH: Taylor Swift Gets Seattle Crowd To Sing "Happy Birthday" To Shawn Mendes!

The Pickering native is supporting Taylor Swift on her ‘1989 World Tour’ and he also celebrated his 17th birthday yesterday! 

Taylor also brought out Fetty Wap to surprise the crowd with a performance of his hit song, ‘Trap Queen’

https://youtu.be/ww71enb_wF0

The surprises didn’t end there, Taylor also brought our Seattle Seahawks quarterback, Russell Wilson, who was accompanied by his girlfriend Ciara!

(images via Taylor Swift Instagram/Taylor Swift Updates Twitter)