YSL Beaute' kicked off Coachella festivities on Thursday night at Avalon Hotel with a special performance by new beauty ambassador Halsey.  

Guests found decorative neon lips throughout the space, including a stand alone rectangular shaped structure that quickly became one of the more popular photo moments of the evening.  

Neon signs enticed guests to try out a vending machines stocked with YSL beauty products including Tatouge Couture, the brands super pigmented, matte liquid lip stain that's available in 28 shades.  Guests also had the opportunity to get their Tatouge Couture custom engraved on-site.  

Attendees were also treated to a beauty bar staffed with YSL make up artists and pampered with mini make-overs which included the brands new Touche Eclat Glow shot highlighter and Mascara Vinyl Couture.

The highlight of the night, was when Halsey's boyfriend G-Eazy joined her on the stage for a special performance of their collaborative hit "Him & I" and shared a kiss on stage.