Katrina Kaif lauds Shaheen Bhatt for her book, Alia Bhatt reacts

Screenwriter-Author Shaheen Bhatt's "I've Never Been (Un)Happier" released this week. book, a philosophical tell-all, claims to be an "emotionally arresting memoir" taking readers through author's personal pendulum of understanding and living with depression. Bollywood actress Katrina Kaif took to her Instagram handle and praised Shaheen for writing book. Alia Bhatt who shares a cordial relation with Kaif dropped a comment with kisses.

Alia Bhatt on sister's battle with depression: Feel guilty for t understanding Shaheen

Katrina wrote a heartfelt te saying, "what an incredibly brave thing to do to write this book, so heartbreakingly honestly written. You can feel every moment and every thought ....to be able to turn a painful situation into something positive is so beautiful .... p.s @shaheenb I miss our dream team chats immensely need to do it again soon .... to everyone - this incredible book is available W."

Arjun Kapoor praises Alia Bhatt's sister Shaheen for launching her new book

Earlier published as an e-book, paperback, according to publishers, includes content that was edited out of first edition alongside three new chapters, and more personal additions like scans from Shaheen''s journals. "I've never been (UN)Happier'' is my heart laid bare on a p and I hope this slightly tweaked and personalized version can lend its voice to growing conversation about mental health in India," said Shaheen, who is also elder sister of actor Alia Bhatt.

Alia Bhatt breaks down at event while speaking about sister Shaheen's depression battle

Shaheen was diagsed with depression at eighteen, after five years of already living with it. Touted to be "bravest memoir" on depression, book, according to Gurveen Chadha, Commissioning Editor at Penguin Random House India, is an "essential reading" for anyone trying to make sense of mysterious and debilitating condition of depression.

"Her book is honest, all-consuming and so intimate, it's almost like taking a voyeuristic peek into her life... I am extremely proud to add Shaheen to Penguin family and certain this book will make a monumental difference to our attitudes and perceptions towards mental health illnesses," said Chadha.

Alia Bhatt and Shaheen spend a delightful evening toger, see pictures here

(WITH PTI INPUTS)