Lacoste’s designs have always been on point. Inventor of the polo shirt and the first clothing brand to pop a logo on top of their threads, the clothing brand is now 80 years strong and still synonymous with casual elegance. Now, Lacoste are teaming up with our friends over at LOOKBOOK.nu, one of the worlds leading online style publications and offering you a chance to show off your "look" and be in with a chance to win a cash prize of £1000. How does it work? Just take a snap of yourself wearing Lacoste - new, or vintage - log onto lookbook.nu/lacoste, upload your image and tag it. In return you get a £20 voucher to spend in-store for your next look and the good folks at Lacoste will then automatically enter you into the competition. Check out the film above and see how some of our favourite people wear their Lacoste. To kick it all off, Lacoste and LOOKBOOK.nu are throwing a launch party at 18 Hewett Street on 1st September, 2011. The event will feature an exhibition of inspiring musicians, artists and new talent, DJ sets from Ghostpoet, Streets of Beige and Alex Patchwork and plenty of drinks to keep you hyped. Check out the Facebook event here.  The competition ends 31st October, 2011. Get involved. For more information click here and visit LOOKBOOK.nu/lacoste to enter the competition.  Competition open to UK residents only.