So after my Val D'Isere visit I have found out that the mountain itself is amazing as mentioned by ricksen24.
As for the night life, we didn't head over to Tignes, and I personally like to make the most of my days on the mountain than hit the towns at night. When we did venture out though, we found that the prices are aren't kind to your wallet, but having said that, La Folie Douce is a must visit and such a good laugh, table dancing and champagne showers, the ski down is also hilarious.
Most of the other bars we visited in the village are fairly low key, played a bit of beer pong in the Moris Pub, The Saloon Bar is worth a few shots and then Dicks Tea Bar was a good place to finish up with some good music and a bit of a dance!
I just wish I could board more often.