On Tuesday, the cosmetics giant made the announcement via Periscope that the 22-year-old would be fronting the new collection. Prior to that, they teased Ariana's #VivaGlam ad on Instagram.
The pop star and actress, who has also just released her first fragrance called Ari, will be taking over the campaign from fellow songstress, Miley Cyrus. She will debut two products: a matte plum lipstick and a shimmering pink Lipglass.
"I am beyond I am beyond honored and excited to be working with a brand that stands for and always has stood for EQUALITY. my lipstick & gloss will be available in January and EVERY PENNY goes to people effected by HIV & AIDS," the "Love Me Harder" singer wrote on Instagram.
Viva Glam, MAC's charitable collection that benefits the company's MAC Cosmetics Aids Funds, gives 100 per cent of all proceeds from the line to those suffering from HIV/AIDS.
The collection will be available January 2016.
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