Justin Bieber was hospitalized after collapsing backstage during a London concert, according to media reports. TMZ.com reports that the singer felt woozy during the show, and stumbled backstage with four songs yet to perform, then collapsed.

He was treated with oxygen from emergency personnel, and then completed the show.

After that he was taken to the hospital, where he received treatment.

According to People.com, Bieber is recovering and sent out word on Twitter that the he’s "figuring out what happened."