The 38-year-old 'Happy New Year' actor posted a birthday wish for his daughter on Twitter.
"Daughter's are just the best!! Happy birthday my little angel Aaradhya," he tweeted.
Fans of the Abhishek and Aaradhya's grandfather Bollywood megastar Amitabh Bachchan have been pouring in their wishes and on their Twitter pages.
"My very best to Aaradhya, and the whole family, as always!! Wow...Time flies, huh, AB?," music composer Vishal Dadlani tweeted.
Dia Mirza wrote, "Happy Birthday Aaradhya".
Abhishek thanked all the followers for their birthday messages.
"Thank you all for such wonderful wishes for Aaradhya. Truly means a lot. Thank you," he posted.