The biggest wedding of the year is just a few days away and the preps are in full swing. Katrina Kaif and Vicky Kaushal will be tying the knot at the Six Senses Fort Barwara on December 9. Vicky Kaushal's mehendi outfit, a gold sherwani just got delivered to his Mumbai residence. Vicky Kaushal's mehendi outfit, which appeared to be …