Makeover & Extreme Makeover
That could help:
http://www.guildwars2guru.com/news/824-new-items-coming-soon/
And here anet stated they will do something: https://forum-en.gw2archive.eu/forum/game/bltc/Character-Re-Customization/first
O wow! Its here already? Yayyy! Tyvm for the info
It is not possible to do it yet, but it will come! =)
O its only in the database eeek.. lol getting too excited cause my Norn skin doesnt match my armor skin and he is the shortest one around