Megan Fox is out at Armani! The former "Transformers" actress who pitched everything from perfume, jeans, underwear and makeup for the Italian luxury brand will be replaced by pop singer Rihanna, according to Women's Wear Daily. The singer will appear in the fall-winter 2011-2012 Emporio Armani Underwear and Armani Jeans ad campaigns. Rihanna took to her twitter account to share…Read more Rihanna is IN and Megan Fox gets the BOOT!!!