Want to Skype with the stars of 'The Mortal Instruments'? Here's how!

Have you been dying to ask Lily Collins about playing Clary? Eager to know what Jamie Campbell Bower REALLY thought of that Greenhouse scene? Curious to know if Robert can give us the inside scoop on the pranks on set? Now's your chance!

MSN UK is providing your chance to Skype with the stars of TMI. Here's the details!

If you want to get involved in the Skype video chat (and let's face it, why wouldn't you?) all you have to do is tweet your question to @msnents using the hashtag #AskTMI. They are looking for the most imaginative, creative and brilliant questions so get your thinking caps on people!

You'll have to follow them on Twitter and tweet them your question before 9pm on Sunday 11 August, so spread the word!

Here's a video from Jamie inviting you to Skype with them!

Note that in order to participate you'll need a computer with a webcam and Skype installed, and connected to a high-speed internet connection.

Additionally, by participating you agree that Microsoft and its affiliates may transmit and archive your image and likeness as part of the interview and this interview will be accessible via the internet throughout the world entirely at Microsoft's exclusive discretion.