MTV UK has once again started the summer with their annual poll of who the hottest act of 2015 was – the 2015 Hottest Summer Superstar! Ariana Grande is up against the biggest pop starts such as Lady Gaga, Justin Bieber, and One Direction!

HOW TO VOTE:

Simply tweet #MTVHottest Ariana Grande as many times to count your votes! It ends on August 26th, 2015.


It’s back! Tell us who you think has been the hottest act of 2015…

Calling all music fans, we’ve once again hand-picked 50 of this summer’s hottest music artists and we need you to vote for your fave. To vote, simply tweet #MTVHottest followed by the name of the artist you’re backing and see them battle it out in our live leader board!

Voting is based on hashtag tweet volume and closes 26th August.