Earlier this year, Sir Brian May made his first post-stroke live performance with Benson Boone at Coachella, in a special rendition of Bohemian Rhapsody.

Now the Queen guitarist has reunited with the 23-year-old singer in the second of his three London O2 shows this week.

For the encore, Boone took to the stage sporting his Freddie Mercury tash and royal robe, before launching into Bohemian Rhapsody with the 78-year-old rocker joining on guitar.

The crowd roared and the singer exclaimed, “Now that is how a crowd should sound when they see Brian May!”, before the pair launched into Boone’s signature anthem Beautiful Things. Check out the incredible footage below.

Meanwhile, the pair have posted videos from the soundcheck of Boone and May lip syncing to What’s Up by 4 Non Blondes. The singer praised the rock legend, “My dear Brian May you are an icon”, while the Queen guitarist captioned his behind-the-scenes video: “Benny Boone made me do it !! He said the fatal words “Trust Me” !!! ha ha ! Bri.”