Said to be the "largest ever world tour" for singer Janet Jackson, the 45-year-old star has brought down the curtain for her South African leg, of her "Number Ones: Up Close and Personal" tour, in Cape Town last night. 　　On the first concert in Johannesburg of South Africa, American recording artist Janet Jackson made a touching tribute to her late brother, Michael Jackson, by playing their collaborative piece, "Scream" on stage. 　　With two shows in Johannesburg and one in Cape Town, fans flew from different corners of the world to hear the best tunes from the star, who is in town to promote for her second greatest hits collection, titled "Number Ones", which is composed of 33 number one hits from international charts. 　Julia: "I'm from Germany, all the way from Germany to see Janet. It's like the fifth concert."Jackson fan: "She blew my mind away, I think I forgot exactly how many songs she's got, I figured exactly how brilliant she is." 　　Jackson will be hitting Las Vegas next week, followed by three other performances in the U.S, before wrapping up her sixth concert tour on December 5th.