By Scarlett O’Toole Salma Hayek showed off her curves as she wiggled her bum while dancing along to Shakira’s Hips Don’t Lie in honour of the singer’s 47th birthday. Taking to Instagram on Friday, Salma filmed herself walking on a treadmill but decided to spice up her workout routine. The 57-year-old broke into dance and started shaking her hips as she listened to Shakira’s hit track. Salma wore a fitted black top which clung to her curves and a pair of casual black joggers. She opted for a natural makeup look and wore her hair in loose waves, similar to Shakira in the Hips Don’t Lie music vid…