Two stars winning the top honours at the Teen Choice Awards,
Justin Bieber and Taylor Swift continued their runs as teenage fan favorites.
Taylor Swift picked up five awards,
Including choice music female artist and female country artist,
As well as voice actress for her role in animated comedy.
Teen super star Justin Bieber received a loud welcome as he performed his song Boyfriend,
and upcoming single, As Long As You Love Me with rapper Big Sean on a futuristic set.
Justin Bieber won four awards,
Including choice music male artist and single by male artist for Boyfriend.
