Model's love for Mother Nature! Miranda Kerr sports a white crochet bikini as she relaxes on the beach to promote Earth Day

Miranda Kerr seemed to combine her heart for charity and passion for modelling on Wednesday when she shared a special social media post drawing attention to Earth Day.

Taking to Instagram, the 32-year-old Australian model shared a snap of herself in a white bikini top, relaxing amongst her natural surroundings on a mystery beach.

'Today and everyday we should appreciate and respect the natural beauty that surrounds us. Let's unite to protect our Earth. #earthday,' the mother-of-one captioned the photo. 

Revealing a glimpse of her cleavage in the the triangle-cut white crochet bikini top, Miranda also showed off her taut stomach. 

Sitting cross-legged on the golden sand in a pair of sheer lace trouser, the former wife of Orlando Bloom rested her hands on the sand. 

Looking down, the model's locks were swept to one side by the cool breeze, with the picturesque water lined with lush greenery seen in the background. 

Miranda wasn't the only famous Australian face who showed support for the annual event which advocates environmental protection.

She might have been trying to draw attention to Earth Day, but Sharni Vinson didn't give up the opportunity to share a bikini shot with her followers on Wednesday 

The 31-year-old former Home And Away star posted a photo of herself lying face down on the sand making sand angels with her arms and legs.

In the snap, Sharni had stripped off her bikini top and wore just the bottoms for the photo, explaining why she was lying face down. 

Her slim and tanned figure was on full display, her tiny white bikini bottoms covering very little.