Miley Cyrus has the number one selling single on iTunes for the second straight week. Cyrus’ “Party In the U.S.A.” nudges out the Black Eyed Peas hit “I Gotta Feeling,” which has been number one on the Billboard Hot 100 chart for eight weeks. Jay-Z’s new single, “Run This Town” featuring Rihanna and Kanye West, debuts at number three on the chart. Meanwhile, Third Eye Blind bows at the top of the iTunes album chart with Ursa Major and Kings of Leon stay put at number two with Only By The Night.