Previously at Fendi, the executive joined the Belgian house at the beginning of January.
The event drew Stephanie and Jim Marver, Vanessa Getty, Abigail and Jon Gans, Todd and Katie Traina and Trevor and Alexis Traina.
The company said Haig was stepping down by mutual consent and with immediate effect.
In an exclusive interview, Sébastien Jondeau talks growing up poor, learning from his boss and finding his style groove.
Net-a-porter is increasing its buy of ski and resortwear to cater to a jet-setting audience.
The week will run Jan. 12-15 with several coed shows and new entries.
A funeral service will be held in Forlì on Thursday.
Developed in partnership with Farfetch, the customization service enables users to create bespoke versions of the Kan I F bag and the Strap You leather strap.