LMFAO still rocking at the top of singles chart

LMFAO's Party Rock Anthem has retained the singles top spot for a second week, despite a strong challenge from Wretch 32's Unorthodox.

Source: http://www.musicweek.com/story.asp?sectioncode=1&storycode=1045017&c=1

Jenifer Lopez Gwyneth Paltrow Robert De Niro Liam Neeson