Stella McCartney: Star of the Green Carpet Challenge (+Video)

Stella McCartney unveils her upcycled eco capsule collection for the 2014 Green Carpet Challenge, where glamour meets ethical fashion on the red carpet.

Stella McCartney unveils her upcycled eco capsule collection for the Green Carpet Challenge 2014

Livia Firth founder of the Green Carpet Challenge with her husband Hollywood actor Colin Firth