Kylie Jenner paired a tiny cotton-knit bra top with matching tracksuit bottoms for a revealing Instagram photo shoot.The Kylie Cosmetics founder stepped out in the outfit for dinner at Delilah.Jenner's Bottega Veneta bra is available to shop for $400.Kylie Jenner regularly posts revealing looks on Instagram, and her latest outfit is no exception.Prior to stepping out in West Hollywood on Saturday night, the makeup mogul posed for some snaps wearing the skimpy yet casual look.