Hosted by Northern Europe Makeup artist Fred Letailleur, who has worked with stars ranging from Cate Blanchett and Kim Cattrall to Eva Herzigova and the Scissor Sisters.
Tickets cost £10, redeemable on any YSL products purchase on the day.
Joining an in-store event
Please arrive at least 10 minutes before the start of your session and make your way to the YSL counter on the ground floor, as detailed in your confirmation email. Please bring your ticket with you, either printed or on your phone.