Taylor Swift celebrates 20 million sales in London

US singer Taylor Swift performs on the last night of her European Tour at London's O2 Arena on Wednesday March 30, 2011. (AP Photo/Mark Allan)

March 30, 2011 7:13:35 PM PDT
Taylor Swift ended her European tour on a celebratory note: Not only did she perform in front of thousands of fans, she got an honor for reaching the 20 million mark in worldwide album sales.