Thanks to Hey Sister, Seventh Sin is giving away a set of gorgeous underwear to three lucky readers! Because we've got our finger on the pulse, the sets will come from their 2007 collections to keep you looking as fashionable and sexy.

To win, all you have to do is tell us why you think beige should be banned, and what colour should be in! Entering really is that simple - fill in the form below and send it in to us.

Terms and Conditions of entry

• This competition is open to all readers of Seventh Sin magazine, whether in digital or printed format, who are residents of Australia.
• Winners will be drawn from the pool of active entrants. Judges decision is final and no discussion will be entered in to
• Winners must provide their mailing details by 5 days after being notified via e-mail.
• This competition closes May 1.
• You can enter only once, multiple entries will be disregarded.