7 photos of Jennifer Lopez before and after plastic surgery. The 3 types of cosmetic surgery she's had include: nose job, breast implants and Botox. Jennifer Lopez is a 49 year old singer who is 5' 5", weighs 139 lbs, has light brown eyes, dyed brown hair, 34-26-38 measurements, a 32C bra size, a 6 dress size, a 26 waist size and has an 8.5 shoe size.