Happy birthday, Ajay Devgn!

Here's what your favourite Bollywood celebrities are tweeting.

Ajay Devgn turned 43 today, and his filmi friends tweeted their wishes for him.

Bipasha Basu wrote: 'Happy Happy Birthday to a dear dear friend @ajaydevgn !Total Rockstar!Have a great one:)'

Abhishek Bachchan wrote: 'Here's wishing my big brother @ajaydevgn the happiest birthday ever. Big love brotherman!'

Ajay, who is busy shooting for his upcoming home production Son Of Sardar in Patiala, replied, 'Thank u for the lovely Birthday wishes!:) and thanks to the fans that surprised me with a huge cake on #SOS sets, the whole unit enjoyed it!

Join us in wishing Ajay Devgn a very happy birthday!

Parineeti Chopra shared the song Aafaton Ke Parinde -- composed by Amit Trivedi from her upcoming film Ishqzaade -- and tweeted: 'The first song is OUT!!!!! Aafton ke parindey :D'

The movie also stars Boney Kapoor's son Arjun and is slated to release on May 18.

Sonakshi Sinha confirmed that she has signed the sequel of the hit film, Once Upon A Time in Mumbaai, and is expected to play yesteryear actress Mandakini. 'SO @sonakshisinha has finally signed 'OUATIM 2'! Hallelujah!' she updated.

Veena Malik updated about her upcoming films: 'All the 3 films which I have completed r the female oriented ones n I don't have any hero in it..supermodel is the only film I have a hero! Mumbai 125km is a 3D thriller horror...DMKKH is a full on comedy...zindagee5050 is a serious social subject.'

Pooja Bhatt is in Jaipur for the Jism 2 shoot. 'Landed in Jaipur. The dry heat envelopes me in a warm embrace. 'Dare to fail' it whispers knowingly, 'and you will pulsate'!' she tweeted.

Rana Daggubati is busy dubbing for Department. 'Now in Mumbai for the final dub's, patch work shoot and completion of the #Department,' he wrote.

Bipasha Basu is working on routine for next fitness DVD. 'Day off today!Night shoots really still Disorient me!Waking up now and going to work on my new routine of my fitness DVD!' she tweeted.

It's been a season of injuries for Abhishek Bachchan. The actor has been injured once again on the sets of Bol Bachchan in Rajasthan.

But the actor claimed he would be fine soon, and would resume shooting by the end of the month.

'Thank you all for the get well soon wishes. Yes, have a muscle tear in my lower back. Got injured training in the gym. Will be back on my feet soon.And NO, the schedule of BOL BACHCHAN has NOT been affected at all as wrongly reported, We shoot next end April,' he tweeted.