Everybody's favourite 'bad gal' Ri Ri showed off her impressive physique in this stunning Stella McCartney gown whilst attending the 2014 Met Gala. With an open back, intricate draping and those crazy 80's shoulder pads, this look definitely went with the Gala's theme 'Beyond Fashion'. Nailed it!
2. Sophie Turner
Sansa Stark, a.k.a Sophie Turner, turned up the heat on the red carpet in this stunning Galvan gown whilst attending the 2016 Academy Awards. The London label's ethical design scored the red-haired beauty major fashion points, as she made it onto just about everybody's best dressed list.
3. Lily Cole
British beauty Lily Cole stunned at the 2016 Oscars when she stepped out in this jaw-dropping Vivienne Westwood gown made out of recycled plastic bottles. Now *that's* some serious fashion up-cycling!
4. Doutzen Kroes
The Victoria's Secret angel showed she can pull off the stripped back look when she donned this colourful, ethical gown designed by Stella McCartney whilst attending Mercedes Benz Fashion Week in 2016. Sporting a natural make-up look, the Dutch model proved that sustainable fashion can still be glam!
5. Emma Watson
Girl crush Emma Watson made headlines in 2015 when she vowed to wear only ethical fashion on the red carpet! Staying true to her word, the Beauty and the Beast star donned this crushed velvet dress by Kit Willow's sustainable luxury brand, 'Kitx' whilst attending a film benefit at the MOMA.
6. Vanessa Hudgens
Whilst attending the 2016 Vanity Fair Oscars after party, actress Vanessa Hudgens rocked a one-of-a-kind gown designed by H&M's 'Conscious' range, made from organic silk and wood fibers.
7. Lupita Nyong'o
The '12 Years a Slave' star sported a slinky green sequined Calvin Klein dress with velvet straps whilst attending the 2016 Met Gala. The dress was reportedly assembled entirely in the designer’s New York atelier - with the intricate embroidery and elaborate understructure completed by hand.
8. Livia and Colin Firth
Mr. Darcy - ahh, we mean, Colin Firth - and his wife Livia have long been committed to 'green' fashion, with Livia herself being the founder and creative director of 'Eco-Age', an eco fashion advocacy platform. Whilst attending the 2015 Met Gala, Livia sported an Antonio Berardi bespoke red gown made from recycled plastic bottles, while Colin repurposed his Tom Ford tuxedo.
9. Margot Robbie
Aussie actress and blonde-beauty Margot Robbie championed ethical fashion whilst attending the 2016 Met Gala as she sported this strapless ivory gown with cutouts designed by Calvin Klein Collection.