NAOMI Campbell has finally hit it big with her Russian billionaire, Vladimir Doronin. The two were just in her favorite country, Brazil, where he dropped a cool $18.5 million on a penthouse apartment for Campbell in Jardins, the Upper East Side of Sao Paolo, after Campbell told him how much she loved the country and “wanted to settle down there.” Glamurama.com says the place was a “gift” to the supermodel and the couple will use it as their home in Brazil. Then they traveled to Bahia, where they stayed in a $50,000-a-day beach house. Campbell, who’s trying to improve her rage-plagued image, is also focusing on being photographed at charitable events and launching a clothing line through 284, the new label from Daslu. “It’s for strong women. I hope everybody will like it,” she told a local Brazilian paper.