Five singles spawned from Fearless. The lead single, "Love Story", is known as Swift's signature song and is her best-selling song to date, selling more than 8 million copies worldwide (according to the IFPI). It was a phenomenal crossover hit that became one of the best-selling singles of all time internationally and was once the best-selling country song of all time. The succeeding single, "White Horse", also performed well in the US. "You Belong with Me" was an international success, becoming Swift's second best-selling single and her highest position on the US Billboard Hot 100 at the time. "Fifteen" and "Fearless" followed with both achieving a platinum certification from the Recording Industry Association of America (RIAA). Fearless was an international breakthrough and huge commercial success for Swift. It debuted at No.1 in the United States and later, became the best-selling album of 2009, selling over 5.2 million copies. It gave Swift, 18 at the time, the distinction of being the youngest artist in history to have the year's best-selling album. It has sold over 7 million copies in the United States, becoming the second biggest-selling album in the last six years. Internationally, Fearless topped charts in Canada and New Zealand and achieved multi-platinum status in six countries. In all, Fearless has sold more than 9.5 million copies worldwide. Fearless is also the most awarded album in the history of country music, winning Album of the Year at the 52nd Annual Grammy Awards, American Music Awards of 2009, Country Music Association, and Academy of Country Music Awards.