Alex Rivers surprised everyone with his performance on the stage of AGT

Alex plays the violin, and he's a very promising violinist

The day before this, Alex was asked to improve himself

After that Alex brought a lot of improvement in himself, he worked hard for 24 hours

This spectacular performance of Alex forced everyone to stand up and applaud

And at the same time, Alex also received a flying kiss from Heidi, which made him even more happy

Alex performed Dua Lipa's "Break My Heart" on the violin

After that, seeing his improvement, all the judges voted "yes" and sent him to the next round