[lastfm link_type=””]Nicki Minaj[/lastfm] is replacing [lastfm link_type=””]Lady Gaga [/lastfm]as the new face of Mac Viva Glam. A new celeb gets this coveted endorsement every year. They get to design a lipstick color and it is sold by Mac with all the proceeds going to AIDS charities. What color do you think Nicki will design???