The actress and singer sported black HotPants for the Saint Laurent show on Tuesday.
McQueen follows Saint Laurent, which joined the platform last week.
The owner of brands including Gucci, Saint Laurent and Balenciaga has increased its interim dividend by 33 percent to 2 euros.
The Japanese artist teamed up with the French fashion house for a final art display at Colette.
The spring runways showcased the French capital’s imposing baroque edifices and sparkling monuments.
Kering has plans for more stores and many more sales under the Saint Laurent banner.
The e-commerce site is moving head-on into physical retail.