Speak up, sing out and let the world see you…in the unstoppable colour of VIVA GLAM Sia! This iconic campaign’s newest spokeswoman has broken pop’s artistic boundaries with her avant-garde style and exhilarating vocals – accompanied by soulful songwriting that inspires countless fans to raise their own voices. Now, Sia unveils a red Lipstick to support the M·A·C AIDS Fund that’s as loud as you dare to be. 100% of the selling price of VIVA GLAM goes to men, women, and children affected by HIV/AIDS.