Miley Cyrus announces partnership with MAC on Twitter

American singer and actress Miley Cyrus has been revealed as the new face of MAC Cosmetics' Viva Glam colour collection.

The 21-year-old announced the news via her Twitter page. She tweeted: “Going #VIVAGLAM with @MACcosmetics. Look for my lipstick in early 2015”. All proceeds from sales of Cyrus' Viva Glam products will go to the MAC Aids Fund, which supports those affected by HIV and Aids. The charity celebrated its tenth anniversary earlier this year.

Previous celebrity faces of the MAC Viva Glam campaign include Lady Gaga, Nicki Minaj and Rihanna.