Michael Clifford is a man of his word ... taking the stage with his group 5 Seconds of Summer a day after he lit up like a human torch.
Clifford has some visible injuries, but everyone thought it would look way worse.
As we reported, the guitarist was engulfed by a fireball Saturday during his London concert, setting his hair on fire ... reminiscent of the Michael Jackson Pepsi disaster.
The group performed in the same venue where Michael was injured. During their show, they sang "Long Way Home," which includes the lyric, "Catching fire like kerosene." Michael added the word, "Literally."
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