Explanation:

- Twinkle Khanna: She is indeed the author of the book 'Mrs Funnybones: She's just Like You and a Lot Like Me'. Twinkle Khanna, a former Bollywood actress, has made a name for herself as a successful author and columnist.

- Sonali Bendre: Another Bollywood actress, known for her acting skills, but not associated with writing 'Mrs Funnybones'.

- Madhuri Dixit: A popular Bollywood actress recognized for her dance and acting, but hasn't authored the book.

- Aishwarya Rai: Known for her beauty and acting, Aishwarya has not written the book 'Mrs Funnybones'.