Fit couple Kellan Lutz and Sharni Vinson show off their beach bodies in Sydney

88638, SYDNEY, AUSTRALIA- Sunday December 23, 2012. Kellan Lutz and girlfriend Sharni Vinson hit the beach at Cronulla for a bit of fun in the sun where the super fit pair showed off their impressive beach bodies! **AUSTRALIA AND NEW ZEALAND OUT** Photograph: © Carlos Costas, **FEE MUST BE AGREED PRIOR TO USAGE** **E-TABLET/IPAD & MOBILE PHONE APP PUBLISHING REQUIRES ADDITIONAL FEES** LOS ANGELES OFFICE: +1 310 822 0419 LONDON OFFICE: +44 20 8090 4079