Taylor Swift is doing a great job keep her Los Angeles Staples Center momentum going! Additional to Cher Lloyd and Ellie Goulding, Taylor Swift brings out Jennifer Lopez as special guest! Before introducing the super-star, Taylor explains that she always had that one favorite song when she was a little girl soon revealing J.Lo to the tunes of “Jenny From The Block”. The Staples Center roars at the arrival of J.Lo! Check out the exclusive performance below!