Sister Stardust / Jane Green.

"From afar Talitha's life seemed perfect. In her twenties, and already a famous model and actress, she moved from London to a palace in Marrakesh, with her husband Paul Getty, the famous oil heir. There she presided over a swirling ex-pat scene filled with music, art, free love and a counterculture taking root across the world. When Claire arrives in London from her small town, she never expects to cross paths with a woman as magnetic as Talitha Getty. Yearning for the adventure and independence, she's swept off to Marrakesh, where the two become kindred spirits. But beneath Talitha's glamourous facade lurks a darkness few can understand. As their friendship blossoms and the two grow closer, the realities of Talitha's precarious existence set off a chain of dangerous events that could alter Claire's life forever"--