During her 2013 Los Angeles concert, Taylor Swift treated her audience to an unforgettable surprise, taking them back to her childhood days of singing into a hairbrush. Reflecting on those moments, she teased the crowd by saying, “This is my hairbrush song,” before introducing a very special guest: R&B superstar Jennifer Lopez.

To the crowd’s delight, the two icons performed Lopez’s hit song “Jenny From The Block,” turning the venue into a massive sing-along. Fans erupted in excitement, capturing the electrifying moment on their phones.

The collaboration quickly became a viral sensation, with the video garnering over 12 million views on Taylor’s YouTube channel. It was a perfect blend of nostalgia and star power that fans couldn’t get enough of.

This remarkable duet was just one of many surprise appearances on Taylor’s 2013 ‘Red Tour.’ Throughout the tour, she brought out other major artists like Ellie Goulding, Nelly, Ed Sheeran, and Patrick Stump, each contributing their own special touch to her incredible performances.