`You can never meet with the demands of the heart....our journey begins today...#AeDilHaiMushkil,` tweeted Karan.
Anushka also shared: `Sooo today we start filming #AeDilHaiMushkil in london. Butterflies attacking. Excitement rolling. Send me your love and wish me luck guys.`
The work on the project is on in full swing.
Celebrated costume designer Manish Malhotra is also on the job, and he promises to present Anushka in a brand new look.
He wrote: `Just finished Costume fittings with @AnushkaSharma EXCITING NEW LOOK in @karanjohar @AeDilHaiMushkil.`
Blessing Karan on the new venture, Ranbir's father and actor Rishi Kapoor tweeted: `Wishing you and your team all the very best. Nothing is mushkil for you all. Jai Mata Di!`
