5 Seconds of Summer have played a "dream" gig at London's O2 Arena.

The band headlined the massive venue for the first time on Thursday (April 7).

The Australians are all set to do it again tonight (April 8).

Speaking on Twitter pre-concert, guitarist and vocalist Luke Hemmings said it was a dream come true for the group.

He said: "I can't believe we're playing the o2 tonight, what a dream :)."

5 Seconds of Summer have previously played at the venue while supporting One Direction.

The band are currently in Europe as they take their Sounds Live Feels Live tour across the globe.

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Watch 5SOS perform in London below: