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Highlights from the Billboard awards

20 May 2013 Last updated at 15:50 BST

Taylor Swift and Justin Bieber scooped the main prizes at the Billboard awards on Sunday night in Las Vegas.

Swift walked away with top artist and Bieber won the Milestone Award.

Taylor appeared to be making fun of herself during her acceptance speech, referring to her publicly documented relationships as she thanked her fans.

She joked, "You are the longest and best relationship I have ever had!"

Clips courtesy of Prometheus Global Media and American Broadcasting Companies, Inc.