Stars wish newlyweds Vidya and Siddharth Roy Kapur

Here's what your favourite Bollywood celebrities are tweeting.

Bollywood stars congratulated Vidya Balan and UTV CEO Siddharth Roy Kapur, who got married today in a private wedding ceremony in Mumbai. Here's what they tweeted:

Priyanka Chopra: 'Congratulations to my friends Siddharth Roy Kapoor and Vidya Balan!They make such a beautiful couple..heres wishing them happiness forever!'

Madhur Bhandarkar: 'My heart filled wishes to buddy Siddharth Roy Kapoor & Vidya Balan for the new phase of their lives together.Congratulations to the beautiful couple.'

Payal Rohatgi: 'Congratulations to Siddharth Roy Kapoor and Vidya Balan for great future together.'

Karan Johar's second directorial venture Kabhi Khushi Kabhie Gham (K3G), which released on December 14, 2001, turned 11 today.

'11 years to #K3G......cant believe its been that long....memories and moments on set are indelible,' Johar tweeted.

The filmmaker is currently holidaying in one of his favourite cities -- New York -- where his film Kabhi Alvida Na Kehna was shot.

'The most liberating feeling for me is walking the streets of new york....every beat inspires me and makes me think of a million stories!!! Sleepless in new york.....so many thoughts consume me...so many memories affect me...so may dreams await me,' he wrote.

Ameesha Patel confirmed the news of her opting out of Sunny Deol starrer Singh Sahab The Great.

'Gudmrng guys.yes news is true..iv had to back out of. Siingh saheb the great due to ever changing schedules..my best wishes to anil Sharma,' she tweeted.

The actress added: 'Hope anil sharma makes another kikass film like gadar.unfortunately I can't b a part of the film.'

Shah Rukh Khan is headed to Malaysia to attend the birthday party of the country's fourth Prime Minister Dr Mahathir bin Mohamad.

'Daughter did a ballet performance...the son held my hand thruout the journey from airport...i get reintroduced to lov by them everyday. Now onward to Malaysia for a few hrs...my friend the respected Dr. Mahathir's birthday...then bak to shoot. Pvt plane pvt thoughts...' he updated.

Dr Mahathir and his wife Tun Dr Siti Hasmah Mohd Ali had dropped by Shah Rukh's home Mannat for Christmas during their tour of India in 2010.

This Christmas, Sonam Kapoor will be auctioning about 60 ensembles from her fashionable wardrobe that includes a variety of international labels and high-end desi designer brands. She is raising money for the NGO Smile Foundation which supports poor children.

'The countdown has begun! 10 days to for my wardrobe to go on sale on Pernia's Pop-Up Shop. #fashionforacause' Kapoor tweeted.

She has teamed up with her good friend Pernia Qureshi for the cause on whose e-commerce site the outfits will be auctioned.

Christmas fever has gripped Bollywood stars.

Lisa Haydon, who attended a Christmas party last night, shared a picture recently and tweeted: 'Gingerbread house at the Marriott is soooo cute!' 

Amy Jackson posted a picture of her and wrote: 'Kickstart of the Christmas Parties last week.. Can't wait to get home and into the festive spirit.