Along with Kimora and Jay-Z, the foursome form an all-star lineup in N.Y.C. Plus: Tom & Katie, Lindsay Lohan and more

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ON A MISSION

After landing in Malawi on Monday, Madonna and daughter Lourdes, 10, tour the U.N. Millennium village in Mtanga. The pop star, who also brought along David, 1 (the son she is in the process of adopting), is in Africa to supervise the building of a children's health care center with her Raising Malawi organization.