Mariah Carey is teaming up with McDonald’s to give everyone the 12 days of Christmas they really need. For McDonald’s next Famous Orders promotion, Mariah Carey is teaming up with the QSR for 12 days of deals through the McDonald’s app. Consumers can snag one free menu item from the Mariah Menu starting December 13, on the McDonald’s app when they spend $1 or more. Menu items include the McDouble, Chicken McNuggets, McChicken, Apple Pie, and a Cinnamon Roll, and each item comes in specially designed holiday packaging. McDonald’s is also teasing “more surprises from McDonald’s and Mariah Carey,” meaning merch and menu offerings could be dropping in addition to the Mariah Menu. YPulse’s influencers and celebrities research shows that food collabs are the No. 1 type of branded content Gen Z and Millennials want to see from influencers. (Adweek)