This year's O Music Awards is set to take place on June 19 and the nominees have now been announced.

The crowning ceremony will be held online next month and there will be a 24-hour livestream to celebrate and honour the winners. Vocal sensation Adam Lambert has been recognised in the 'Fan Army FTW' category for his army of 'Glamberts' and he will battle against the likes of Justin Bieber, Selena Gomez and Demi Lovato for the prize.

Mariah Carey, Bon Iver and Tyler the Creator (highlights pictured below) have been nominated for 'Best Artist Instagram', and the artists up for 'Best Interactive Music Video' include Miranda Lambert ('Fastest Girl In Town'), Linkin Park ('Lost In The Echo') and Tanlines ('Not The Same').

Macklemore and Ryan Lewis will go head-to-head with Kitty, Bauuer and Angel Haze for 'Best Web-Born Artist', and Alicia Keys and Avicii are up for the 'Most Inspiring Fan Outreach' title.

Meanwhile, Frank Ocean, Bruno Mars, Grimes and Andrew W.K. have been nominated for the 'Must Follow Artist on Twitter' award. Voting for each of the categories is open now and you can do it here.

Watch Grimes' music video for 'Oblivion' below: