Filmmaker Karan Johar has heaped praise on his "Ae Dil Hai Mushkil" actress Aishwarya Rai Bachchan, who turned 42 on Sunday.

"It's been absolutely wonderful working with her!!! Happy birthday to the stunning Aishwarya," Karan, who is directing the former beauty queen for the first time, posted on Twitter.

The film's team is currently in London for the shoot. But for Aishwarya, her day was made special with the presence of her family -- husband Abhishek, daughter Aaradhya and mother Vrinda Rai.

According to a source close to the actress, Aishwarya, who always gives priority to her family, has sought special permission from Karan Johar to take a day’s break from shooting to be with her loved ones.

One also hears that this year, little Aaradhya, four, has even made a card for her mother, who made a comeback to films with "Jazbaa" this year.

Soon after her birthday celebrations end, Aishwarya will be back to work!

"Ae Dil Hai Mushkil", written and directed by Karan, also stars Ranbir Kapoor, Fawad Khan and Anushka Sharma.

(Source: IANS)