Deepika wishes Katrina on her birthday!

Here's what your favourite Bollywood celebrities are tweeting:

Deepika Padukone and Katrina Kaif might be the biggest competitors at the box office but on the latter's birthday on July 16, Deepika made sure to wish her on Twitter.

'Happy Birthday Katrina! Lots of love & hope you have the bestest year ever!:-)' Deepika wrote.

Interestingly, Deepika is currently shooting with Ranbir Kapoor in France for Imtiaz Ali's Tamasha.

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Constant rains in Mumbai have made life difficult for many Bollywood stars as they took to Twitter to complain about their traffic woes. Here's what they said:

Kalki Koechlin: 'Bombay in this rain is starting to look like Gotham city.'

Shraddha Kapoor: 'Stuck in andheri since 3 hours!! Never been caught up in traffic like this ever! Rain Gods please be kind - have to get to a fashion show.'

Parineeti Chopra: 'Dear sea-link, having a traffic jam on you defeats the whole purpose. Sincerely, stuck for 20 mins.'

Richa Chadha: 'Even love can't survive the rain induced traffic jams... Sigh!'

Konkona Sen Sharma: 'Scary non stop rain in Bombay!'

Sonal Chauhan: '45 mins. Stuck at the same spot. This is the condition of the economic capital of the country when it rains !!! #frustration'

Ileana D'Cruz: 'I ain't driving, I'm swimming in Bombay after the rains!!'

2011 Bollywood blockbuster Zindagi Na Milegi Dobara has completed three years and Hrithik Roshan got nostalgic.

He shared a picture and wrote: 'Sitting at dubai arprt flashes of fun n laughter. D courage n d risk n d faith we kept. What lovely days. ZNMD.' 

'Of friendships n love. dats happiness. My love 2 al my friends who made ZNMD a ride I will never forget. N d audience who made it great! Zoya!! Let's part 2 make. No?' he added with another picture (above). 

Meanwhile, Farhan Akhtar tweeted: 'Thanks to all for the love on #ZNMD 3rd movieversary.. Big hug.. #twitterpetohbantahai'

Directed by Zoya Akhtar, the film also stars Abhay Deol, Katrina Kaif and Kalki Koechlin.

Emraan Hashmi, who was last seen in Ghanchakkar last year, is all set to return to the spotlight with his upcoming action-thriller film Raja Natwarlal.

'Get ready to sing, dance and romance with me all over again ! Raja Natwarlal trailer is coming your way on 18th July only on @utvfilms,' Hashmi tweeted.

Meanwhile, Arjun Kapoor is busy shooting the last leg of his forthcoming film Tevar. 'Heys guys, heading to akluj near Sholapur for the Last sched of Tevar...gonna be last few days on set mixed emotions happy and sad,' Kapoor updated.

Former beauty queen and actress Dipannita Sharma, who will be seen in the upcoming horror flick Pizza 3D, recently shot for an ad for People for the Ethical Treatment of Animals (PETA).

'It has been a pleasure. So happy to be associated :),' she wrote with the picture (above).

Pizza 3D, which also stars Akshay Oberoi and Parvathy Omanakuttan, releases on July 18.