Mumbai, May 16 -- Bollywood superstar Hrithik Roshan is expected to reveal an unexpected birthday surprise for his 'War 2' co-actor Jr NTR on Friday.

In a move that has created a buzz on the social media, Bollywood superstar Hrithik Roshan, who reprises his iconic role of Kabir in the hugely anticipated YRF Spy Universe's next offering War 2, took to his X handle to announce that he has planned a surprise or celebration for Jr NTR on his birthday today, May 20.

Hrithik's post read, "Hey @tarak9999, think you know what to expect on the 20th of May this year? Trust me you have NO idea what's in store. Ready?"

The fans in the comment section have speculated on a possible big announcement regarding the movie.

The 'War' actor's post has cr...