Agenda: Madonna; Angel haze; Yeasayer; Matt Okine; Ronny Chieng; Festivaloffailure.com

Fashion: An immaculate collection

What's a superstar to do after conquering the world as a musician and film-maker? Design some shoes, of course! Madonna, who launched her Truth or Dare perfume earlier this year, has released a footwear collection under the same name, selling exclusively in Selfridges until September. Spiky heels and bondage boots take inspiration from the singer's raunchy back catalogue, while prices start from a modest £80. selfridges.co.uk

Face to watch: Angel haze

Hot on the heels of Azealia Banks comes this equally superlative US female rapper who provides emotional and rhythmic charge in equal measure. See the surreal video for her new single "New York" here: bit.ly/QtvOIS

Match the tweet to the star

David Walliams, Peter Andre, Jamie Theakston, Holly Valance

1. Drinking at 10.30AM is acceptable at a) airports b) stag-do's c) during the Olympics that is all

2. Oh no. I think the #Olympics is bringing out the warrior/hardass/bellend in me.

3. I just thought of a new superhero, 'Manbat'. Has there been anything like that before?

4. Everyday will be diff

App watch: wiFixit

dissect your gadgets – and allow yourself some DIY smugness – with this exceptionally handy digital-mending manual, which offers step-by-step repair guides, troubleshooting tips and disassembly instructions for everything from Macbooks to Harley-Davidsons.

Free from iTunes Store and Android Marketplace

Lexpionage: Underboyle, vb.

To prepare with insufficient pizzazz. For example, a closing ceremony of a major international competition which, while sizzling with contemporary-pop talent, lacks the "wow" factor of events past

Social network: Because some things are worth getting excited about…

Web: Festivaloffailure.com

Feeling overcome by all the Olympic optimism? Then may we suggest you recuperate with this contrary, humorous and touching website on which people share their personal acts of failure.

Music: Yeasayer

We defy you not to be entranced by the strung-out electro-pop of this Brooklyn band's third album, Fragrant Music. It's out on 20 August and you can get into the mood with a taster track here: bit.ly/KJShvg

Comedy: Matt Okine/Ronny Chieng

These two rising Aussie-based stand-ups should provide compensatory chortles for Londoners not making the schlep to the Edinburgh Festival. Tomorrow to 25 August, sohotheatre.com

Match the tweet: 1. Jamie Theakston; 2. Holly Valance; 3. David Walliams; 4. Peter Andre.