Unbearable Lightness: A Story of Loss and Gain, by Portia de Rossi

OK, not a diary. … This book is a memoir, however it receives an honorary mention for being the only eating disorder autobiography written by a lesbian that I have found. In this gripping bestseller, celebrity actress and now wife of Ellen Degeneres, Portia de Rossi, recounts how suppressing her sexuality for fear of ruining her acting career helped foster her startlingly negative self-image which, in turn, fuelled her eating disorder.

Check out this book on Amazon.