This week's new singles reviewed Quiz: Guess the popstars' real names Wiz Khalifa continues Irish chart lead Wiz Khalifa holds on to US No.1 Tori Amos defending Madonna is brilliant Listen to George Ezra's new single Classic Disney songs get a '90s R&B makeover Leona Lewis pole dances in new video app Is Jessie J Pitch Perfect too? Listen to Ellie Goulding on new Major Lazer song Beyoncé and Jay Z planning TIDAL exclusive album? Chloe Howl is back with a new song Game of Thrones star gets fiery in new Sia video UK's richest musicians' wealth revealed Vine to No.1: Shawn Mendes tops US chart Final Glastonbury headliner is two acts? How to make the ultimate running playlist Want a free Glasto ticket? Here's how Alexandra Burke: 'It's scary giving your all' Rita Ora confirms new single is coming Playlist: 10 tracks you need to hear Janet Jackson fans beg for musical return Listen to Blur's first album in 12 years Listen to Christina Aguilera's new song Hear Adam Lambert's haunting new single Wiz Khalifa continues Aussie chart reign Zayn Malik thanks 1D fans for support Watch Natalie Imbruglia's new music video Listen to Avicii's new songs from Ultra What's Little Mix's new single called? Watch Lawson record their new single Watch Ciara's baby son dance to new song Listen to Jessie J's emotional new single Foo Fighters, Muse for Radio 1 Big Weekend This week's singles reviewed Why Markus Feehily didn't ask for Cowell's help Leona Lewis signs to Def Jam in US Listen to Sia, Giorgio's massive disco tune Wiz Khalifa ends Ronson's US chart reign What has Britney covered on Moroder album?