Justin Bieber and Taylor Swift sing together "Baby" in concert (Video)

Justin Bieber and Taylor Swift

Taylor Swift surprised an audience in Los Angeles on Tuesday night when he performed at the Staples Center a duet with Justin Bieber.

While teen idol sang his song 'Baby', Taylor Swift took the stage in a purple dress to sing. Both sounded great, as the crowd went wild.

As we know, Taylor Swift's best friend Selena Gomez is not surprising to join Justin Bieber , who is the star boyfriend, to sing one of his
favorite tunes.

Justin Bieber keeps low profile after his arrival in Los Angeles

Justin Bieber

Justin Bieber shows a good mood before the paparazzi every time it is coming to a city , however, the singer chose to keep a low profile after landing in Los Angeles on Friday.

Justin Bieber has had a week of activities recharged. The singer of 'Baby' not only launched her perfume 'Someday' on Monday June 20, but has been performing a series of television programs promoting the fragrance.

Among fans and disagreements with Justin Bieber also met his girlfriend Selena Gomez attend the film premiere of 'Monte Carlo'. Apparently tired of the last days would have ended up exhausting the pop idol.

Justin Bieber at Los Angeles airport getting scanned

No one is immune to the increasing invasiveness of the TSA—not even Justin Bieber.

The 16-year-old “Baby” singer, fresh from his appearance at the Golden Globes, was singled out by security at Los Angeles International Airport as he made his way to a departing flight, and was even subjected to the controversial full-body scan.

Maybe the TSA employees were attempting to determine the exact