Gareth Bale will return to the starting line-up for Real Madrids most important game of the season as they seek to reach their first Champions League final in 12 years.The world's most expensive player missed Saturdays 4-0 victory against Osasuna with flu, but manager Carlo Ancelotti has confirmed the Welshman is now fully-fit.Real have won their last four matches, scoring 11 in the process and conceding just once.