'Topless and nude' Lara Bingle enjoys sunbathing with Sam Worthington

Lara Bingle was spotted naked sunbathing with her boyfriend Sam Worthington in Hawaii.

The 27-year-old Australian fashion model was seen enjoying the late summer weather at Maha'ulepu Beach with the 'Avatar' actor, who took a break from filming his latest movie 'Deadline Gallipoli', and her brother Joshua Bingle, News.com.au reported.

She posted a picture of herself frolicking topless in a G-string bikini with her brother in Worthington's pool and later took off her bikini as well.