Ke$ha leads U.S. pop singles chart for second week
Rookie pop singer Keha leads Billboards Hot 100 singles chart for a second week with “TiK ToK” while setting the record for most single-week downloads by a female artist (610,000).
Iyazs “Replay” jumped two places to No. 2. Former No. 1 “Fireflies” by Owl City rebounded one to No. 4, while recent chart-topper “Empire State of Mind” by Jay-Z + Alicia Keys fell three to No.