New Delhi, Dec 04 (ANI): George Clooney has revealed that he is yet to meet the greatest love of his life. The ' Gravity' star told that he fell madly in love with Audrey Hepburn as an 11-year-old when he saw 'Roman Holiday', where the late actress played a princess being pursued by a reporter. The 52-year-old actor said that he found Hepburn as elegant as anything he'd ever seen.