Isabel Lucas Plays Herself in 'That Sugar Film' - Watch Trailer Here!

Isabel Lucas keeps it cool and casual on the red carpet while attending the premiere of her latest flick That Sugar Film hosted by Australians in Film at the Harmony Gold Theatre on Monday (July 20) in Los Angeles.

The 30-year-old Aussie actress makes a cameo as herself in the film, which is set to hit select theaters and on demand on Friday (July 31)!

PHOTOS: Check out the latest pics of Isabel Lucas

That Sugar Film is one man’s journey to discover the bitter truth about sugar. Damon Gameau embarks on a unique experiment to document the effects of a high sugar diet on a healthy body, consuming only foods that are commonly perceived as ‘healthy’. Through this entertaining and informative journey, Damon highlights some of the issues that plague the sugar industry, and where sugar lurks on supermarket shelves. It will forever change the way you think about ‘healthy’ food – Watch the trailer below!