By Staff Reporter (staff@latinospost.com) | First Posted: Aug 29, 2013 12:00 PM EDT

Singer Taylor Swift surprised her fans on Saturday August 24 during her performance at the Staples Center in Los Angeles, where superstar Jennifer Lopez joined her on stage to perform a duet.

Lopez' special performance shocked thousands of spectators because it wasn't on the show's schedule, which was part of Swift's "Red Tour".

In one of the most intense moments of the performance, Taylor made a duet with JLo and sang "Jenny from the Block", a Lopez hit song which was cheered by the audience according to Quien magazine website.

Before introducing the Latina artist, Taylor Swift referred to the song as "one of my favorites when I was a little girl", also she insisted that it's one of Lopez hits that have endured more in the listeners.

Swift introduced the song saying: ""When I was a little girl, you know you have your favorite song that you just would play over and over and over again and just blast it in your room, and you'd sing in front of your mirror into a hair brush? Los Angeles, this is my hair brush song." Seconds later, JLo was presented on stage.

According to People en Español, the "Live it Up" singer took the stage with a hip hop outfit, a silver jumpsuit matching with a Yankees cap and white and gold sneakers. On the other hand, during her performance Taylor Swift wore a silver blouse with golden details, and sparkly black shorts. The night before, singer Elie Goulding was another surprise guest that Taylor Swift presented as part of her promotional tour in the United States.

Watch their performance here:

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