Among the most searched-for topics of 2012 were (clockwise from left) Olympic cycling gold medallist and Strictly Come Dancing contestant Victoria Pendleton, Bond film Skyfall and Korean rapper Psy's Gangnam Style, while singer Justin Bieber and actress Selena Gomez's split topped the list of relationship break-ups, according to Google. The European football championships was the top trending search term of the year, beating the Olympics and even Kate Middleton.