Salma Hayek showed off some serious curves on Instagram on Thursday - with the help of a very tight corset!The star shared a throwback photo of herself at a red carpet event and she couldn't help but bring attention to her tiny waist. MORE: Salma Hayek's fans defend her weight in throwback photoIn the photo, Salma looked radiant in a silky, pink corset with pretty embroidery around the edges, but it was her cinched waistline which blew her fans away. WATCH: Salma Hayek reveals the secret to her