Aussie heartthrobs 5 Seconds Of Summer are currently on their world tour and they found time to catch iconic rock band Queen's set in Estonia earlier this week. 

Member Michael Clifford shared a photograph of his band posing with legendary guitarist Brian May and told his followers that it was amazing to meet one of his personal idols:

"Cannot believe we met Brian May in Tallinn. One of my favourite guitarists of all time and it was such an honour to meet him and have him be so respectful and kind towards us and our band. One of the nicest people I've ever met ever. HE IS THE CHAMPION!!"

5SOS, meanwhile, have contributed a song to the Ghostbusters movie soundtrack and opened up about the project in their fan mailer: 

"Anyway, the exciting news... we were presented with the opportunity to release a song for the new Ghostbusters movie soundtrack and as you can imagine we wanted to do it! We're all big fans of the original movie so we can't wait to be involved in the new one...

"The track will be our new single and it's called 'Girls Talk Boys'. It's available now for pre-order, make sure to listen on-screen and off-screen on July 15."

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Watch Queen and 5SOS in action below: