Armaan-Tanishaa head to vaishno devi; engagement next?

Lovebirds and ex Bigg Boss ­contestants

Armaan Kohli

and Tanishaa Mukerji, who were spotted walking hand-in-hand at a Mumbai party recently, reportedly set out for the Vaishno Devi temple on Sunday.

"

Tanishaa and Armaan

will announce their engagement so they have gone to Vaishno Devi to seek blessings," said a source.