"Kelly will share her unique style secrets and design tips and talk about her new must-have app, Home Style by Kelly Hoppen," claims Apple.
"Featuring beautifully shot videos and easy-to follow, step-by-step guides, you’ll discover how to create a stunning home without breaking the bank."
Available from the Apple iTunes App Store, Home Style by Kelly Hoppen costs £2.99 and requires the iOS 3.1 Software Update or later.
The event is free and runs from 7pm tonight, Thursday, 25 November 2010.
The Apple Store is located at 235 Regent Street, London, W1B 2EL, 020 7153 9000. The nearest tube station is Oxford Circus.