Elizabeth Hurley is celebrating her birthday in style.The "Austin Powers" actress took to Instagram to celebrate her 61st birthday, posting a photo of herself soaking up the sun during a beach day.In the photo, the actress stuns in a yellow bikini as she held up a large tie-dye flag and smiled big for the camera, with a picturesque view of the ocean behind her."Happy Birthday to me! I used to fear that as every year passed, my life might get less exciting and I’d get more and more world weary… but I’m pleased to tell you that if you hang on in and keep your chin up, nothing could be further from the truth.I am LOVING my life today ...