Rihanna has been tapped to be the new face of MAC Cosmetics Viva Glam line of lip colors that benefits AIDS charities.

MACAidsFund.org says that every cent of the MAC Viva Glam lip line is donated to the MAC Aids Fund, and now Rihanna will be repping the line.

Here is the mission of the MAC Aids Fund, according their website:

The MAC Aids Fund mission is to serve people of all ages, all races and all sexes affected by HIV and AIDS. To partner with the bold, the visionary and the brave who confront the epidemic in countries and communities where people are most neglected, off the radar and at highest risk. Responsive, agile and alert, MAF funds innovative programs that deal directly with the most marginalized, stigmatized and under-heard victims. MAF celebrates humanity, life, creativity and individuality. Making a difference, one VIVA GLAM lipstick at a time.

Ri-ri is in great celebrity company in the campaign. Among the famous faces that have helped the charity raise more than $270 million are Nicki MinajLady GagaRicky Martin,Cyndi LauperElton JohnChristina AguileraMary J. BligeMissy ElliottFergie and many more.

A representative for MAC Cosmetics confirmed Rihanna's involvement in the project to ABC Radio.

[ABC Radio]