The 'Kochadaiiyaan: The Legend' helmer, who is the younger daughter of Rajinikanth and Latha, took to Twitter to express her excitement.
"Thank you all for the love and wishes! The whole family is excited and I feel very blessed. #babyontheway #motherhood," Soundarya, 30, tweeted.
Soundarya and Ashwin tied the knot in 2010 in Chennai.