X Factor judge was also spotted at the Houghton show sporting what seemed to be a sexier version of a black coat found in The Matrix movie.
The NYC royal was seen leaving Cipriani Wall Street in an emerald mini dress.
The Canadian Model of the Year wore a Jean Paul Gaultier color block ensemble that featured pops of orange and blue.
Also at the 2014 amfAR Gala, Beyoncé's BFF looked effortlessly chic in a printed long sleeve dress by Juan Carlo Obando.
Sing it! The icon performs at the amfAR Gala.
The House of Cards star is a vision in blue at the amfAR Gala.
The supermodel sizzles in white gown at the amfAR Gala in NYC.
The action star hits the red carpet at the amfAR Gala at Cipriani Wall Strteet.
The supermodel shows some skin at the amfAR Gala.
Strike a pose! The Victoria's Secret Angel has some fun at the amfAR red carpet.
The designer is all smiles while sharing his latest collection at Barneys.
NEXT GALLERY: Stars at Paris Fashion Week