Watch brand TAG Heuer has announced footballer Cristiano Ronaldo as its newBrand Ambassador. Cristiano Ronaldo joins TAG Heuer sports stars and celebritiesthat includes film actors Cameron Diaz and Leonardo DiCaprio, WTA tennischampion Maria Sharapova, Formula One World Champion Jenson Button, WorldRally Champion Sébastien Ogier and the entire crew of 2013 America’s Cup winnerOracle Team USA.