Salma Hayek has showcased her incredible curves in a striking new photo shared on Instagram. The 54-year-old actress looks picture perfect in the image which sees her stood in a swimming pool and dressed in a low-cut, frilled black one-piece as she leans back into the water.MORE: Salma Hayek, 54, makes surprising confession about her age"#sundayvibes," Salma captioned the snapshot, which proved a big hit with her 17.2 million followers.