Sarah, Duchess of York, presents a creation at the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION SOCIETY ROYALS TPX IMAGES OF THE DAY) 

British model Naomi Campbell presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

British model Naomi Campbell presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

British singer Pixie Lott presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION ENTERTAINMENT) 

British model Katie Price presents a creation at the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION ROYALS) 

British fashion designer Vivienne Westwood (L) presents a creation, as Naomi Campbell (R) looks on, during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

British models Naomi Campbell (2nd R) and Jourdan Dunn (R) wear campaign against Ebola tee-shirts during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: HEALTH DISASTER FASHION) 

British fashion designer Vivienne Westwood (C) presents a creation with models during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION TPX IMAGES OF THE DAY) 

Sarah (L), Duchess of York, and Naomi Campbell (R) embrace during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION ROYALS TPX IMAGES OF THE DAY) 

British model Jourdan Dunn presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION ENTERTAINMENT HEADSHOT PROFILE TPX IMAGES OF THE DAY) 

A model presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION TPX IMAGES OF THE DAY) 

British model Daisy Lowe presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

British singer Pixie Lott presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

Sarah, Duchess of York, presents a creation at the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION ROYALS) 

British model Naomi Campbell wears a campaign against Ebola tee-shirt during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: HEALTH DISASTER FASHION) 

A model with a decorated prosthetic limb presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

A model with a decorated prosthetic limb presents a creation during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION) 

British fashion designer Vivienne Westwood (C) presents a creation with her husband Andreas Kronthaler, as Naomi Campbell (R) looks on, during the Fashion for Relief charity catwalk show ahead of London Fashion Week in London February 19, 2015. REUTERS/Toby Melville (BRITAIN - Tags: FASHION)