Orlando Bloom is not acting like the loser of the Justin Bieber scuffle ... he looks like he's having the best time of his life at a restaurant near Ibiza.
Orlando looks a little -- well, buzzed -- as he dances furiously to "Happy" ... flailing his arms in the air.
At one point he pulls what appears to be his GF -- Erica Packer -- up on the bench he's dancing on and kisses her hand.
But Erica does not have a monopoly on Orlando. A bunch of chicks swarm him as he dances uncontrollably.
This is the funnest feud ever.
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