|Jennifer Lopez during her concert at London|
The singer ended up showing the top of her bust to the audience in one of her excellent performances.
Her stylist Mariel Haenn depended J. Lo’s Zuhair Murad-designed costume twitting: "The dress fit perfectly to her every inch. There were cups built in and there's no chance that there were any, how do you say? 'slips.’”
Check out the photo of J. Lo below with her peekaboo nip: