What is the name of the band members from left to right?

all 星, つ星 weekend

Zachary Porter

Michael Martinez

Nathan Darmoday

ジャスティン・ビーバー

テイラー・スウィフト#Music is my shining light, my favorite thing in the world. To get me to stop doing it for one second would be difficult!

ケシャ

レディー・ガガ

ジョナス・ブラザーズ