Bollywood star Kajol who is returning to the big screen after a year with 'Helicopter Eela' will launch the film's trailer on her birthday.

The 'Kuch Kuch Hota Hai' actress will turn 44 on August 5.

Her better-half, actor Ajay Devgn, who is producing the movie, took to Twitter to make the announcement along with a fresh poster of the much-awaited flick.

"Launching the @HelicopterEela trailer in two days on Kajol's birthday. Stay tuned!" read Ajay's caption.

Launching the @HelicopterEela trailer in two days on Kajol's birthday. Stay tuned! pic.twitter.com/rcgJ3t9zBS

— Ajay Devgn (@ajaydevgn) August 3, 2018

The film also stars National Award winning actor Riddhi Sen, Neha Dhupia, and Tota Roy Chowdhary.

Directed by Pradeep Sarkar and written by Mitesh Shah, the film will see Kajol playing the role of a single mother, who is also an aspiring singer.

The movie is all set to hit the big screens on September 7.