The former couple's the eldest, Maddox, is 20. Their other children are Pax, 17, Zahara, 16, Shiloh, 15, and twins Vivienne and Knox, 13.
By rejecting Pitt's appeal, the high court appeared to be signaling that the issues raised by Pitt's legal team are not relevant beyond a long-running dispute between two A-list movie stars over whether they will share equally in custody of their kids.