Social Media Wrap: Chipotle's guac-proof lip stain; Kids eat free promo at Frankie & Benny's; Burger King's Nutella Muffin

Find out what QSRs have been up to on social media this week.

Chipotle partners with Wonderskin to create guac-proof lip stain Lipotle.

Kids to eat for free at Frankie & Benny's until 9 August.

Burger King's Nutella Muffin drops.