MAC Cosmetics has re-signed the iconic Lady Gaga as the face of Viva Glam for 2011, marking her second year in this glamorous role. Last year, Lady Gaga joined forces with the legendary Cyndi Lauper for MAC Cosmetic’s 2010 Viva Glam campaign, which became the most successful in the brand’s history, as reported by WWD. The stunning campaign was captured by the lens of Nick Knight and styled by the visionary Nicola Formichetti. Are you ready to get your hands on the must-have lipstick?