Justin Bieber, Carly Rae Jepsen perform during the half-time show at the 100th CFL Grey Cup championship football game in Toronto, November 25, 2012.
Bajan singer Rihanna equalled Madonna's chart record of three consecutive number one albums this week.
Photos:Rihanna promotes latest album
South Korean rap star Psy's music video "Gangnam Style" on Saturday became the most watched item ever posted to YouTube with more than 800 million views.
UN chief meets South Korean pop star
R&B star Rihanna scored her 12th chart-topping single on the Billboard Hot 100 on Wednesday, as her album "Unapologetic" raced toward a big debut.
R&B star Rihanna scored her 12th chart-topping single on the Billboard Hot 100 on Wednesday, as her album "Unapologetic" raced toward a big debut.
R&B star Rihanna scored her 12th chart-topping single on the Billboard Hot 100 on Wednesday, as her album "Unapologetic" raced toward a big debut.
Singer Jennifer Lopez performs during her concert in Dubai Media City November 22, 2012. Lopez is on her Dance Again world tour and performing live for the first time in the Middle East.
The band storms to the top of the 200 album chart with their second album "Take Me Home" .
Music by Paul McCartney, Bob Dylan, Elton John and late singers Whitney Houston and James Brown will be inducted into the 2013 Grammy Hall of Fame.
Singer Ke$ha performs on NBC's 'Today' show in New York, November 20, 2012.
The American Music Awards pulled in its lowest ever TV audience on Sunday, despite the presence of Justin Bieber and "Gangnam Style" sensation Psy.
Photos: Celebrities perform at American Music Awards
Singer Rihanna performs at The Forum in Kentish Town in London November 19, 2012. Rihanna is in the UK to promote her latest album "Unapologetic".