David Bowie leads tributes to late Velvet Underground frontman Lou Reed.

Perfect Day and Walk On The Wild Side look set to return to the Official Singles Chart Top 40 this weekend.

Arcade Fire are on course to knock Katy Perry off the top of the Official Albums Chart this weekend, while Union J and Lorde are headed for the Top 5!

Arcade Fire knock Katy Perry off Number 1, while Lorde and Union J debut in the Official Albums Chart Top 10.