Kourtney Kardashian shows off nipples in lingerie top and sexy leather to watch Kanye West perform (photos)

Kourtney Kardashian has followed Kim Kardashian's braless footsteps as she was pictured wearing a lingerie top without bra to attend brother in-law Kanye West's LA concert on Tuesday night.

Kourtney, 37, teamed the sexy look up with some simple strappy heels, a denim jacket draped over her shoulders, and a crucifix necklaces. More photos after the cut.