Ranbir Kapoor's Ae Dil Hai Mushkil trailer to be attached to Katrina Kaif's Baar Baar Dekho

Ranbir Kapoor - Aishwarya Rai Bachchan starrer Ae Dil Hai Mushkil's trailer to release with Katrina Kaif and Sidharth Malhotra's Baar Baar Dekho