Missy fans in the U.S.A. have the chance to win a Live Earth Gibson acoustic guitar signed by the artists who rocked Live Earth Sydney including Missy.

You could also score a Limited Edition Live Earth t-shirt, hat and KEEN bag, as well as CDs from Missy Higgins, Jack Johnson, Crowded House, Wolfmother and John Butler Trio.

You must be at least 13 years old and live in the U.S.A. to enter.

Sign up to win HERE!

You can also text SOS to 82004 to enter to win, and to receive updates from Live Earth.

Standard text messaging rates apply. Click here for terms and conditions.