Kendall Jenner took to Instagram to share a sexy topless photo as she plugged her 818 tequila. Promo: Kendall Jenner took to Instagram to share a sexy topless photo as she plugged her 818 tequila The model-turned-entrepreneur is currently in Palm Springs ahead of the first Coachella weekend. Drop-in: Kendall and her BFF Hailey Bieber also made an appearance on …