Aubrey O’Day. This week the singer best known for being a member of the girl group Danity Kane and Donald Trump Jr’s alleged mistress announced in a lengthy Instagram post that she has left the United States for a “new life.” “For those of you who are friends, or have spent enough time on my Twitter over the years to get into my mind, you know I’ve been wanting to leave out of the country for a while now, so... I have,” Aubrey wrote.