Jennifer Lopez: Wardrobe Malfunction During Concert!

Jennifer Lopez and her boyfriend Casper Smart head to a private screening on Tuesday (October 23) in London, England.

The 43-year-old entertainer was supposed to perform in Manchester that evening as a part of her Dance Again tour, but the show was canceled last week for an unspecified reason.

PHOTOS: Check out the latest pics of Jennifer Lopez

During her show the evening before, Jen inadvertently flashed her left breast to the crowd during the show. Check out the wardrobe malfunction on Us Weekly!

Also pictured: Jen and Casper arriving at their hotel the night before.

10+ pictures inside of Jennifer Lopez and Casper Smart at a private screening…