When Karan Johar felt Aishwarya Rai was the ONLY star on the sets of Ae Dil Hai Mushkil

Karan Johar was so mesmerised by Aishwarya Rai Bachchan that he felt that she was the only star present on the sets of Ae Dil Hai Mushkil as he almost forgot about Ranbir Kapoor and Anushka Sharma.