Rande Gerber and Cindy Crawford arrive for the 16th annual Keep Memory Alive "Power of Love Gala" and 70th birthday celebration for Muhammad Ali at the MGM Grand Garden Arena in Las Vegas, Nevada February 18, 2012. Proceeds from the event benefit the Cleveland Clinic Lou Ruvo Center for Brain Health in Las Vegas and the Muhammad Ali Center in Louisville, Kentucky. REUTERS/Steve Marcus (UNITED STATES - Tags: ENTERTAINMENT SPORT BOXING)