Pop star Justin Bieber got revenge on rival Drake Bell by upstaging the actor-singer at his album launch party and later taunting him about the incident online.
Former Nickelodeon star Bell often sends barbed remarks to Bieber via Twitter but Bieber simply ignores him.
However, the young star got his own back on Thursday night by causing a storm at Bell's album release bash.
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Bieber stunned onlookers at the event at the Grove in Los Angeles by pulling up in a van and peering out through the sliding side door, causing a huge crowd to gather.
He later posted footage of the moment to his Instagram account alongside the caption, "So nice seeing my fans at The Grove tonight."
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According to TMZ, Bieber then added a photograph of Bell looking down at Bieber's van surrounded by fans, and added the mock caption, "Why is @justinbieber sprinter van getting more attention than my album release party", but the message was later removed.