There is many, but MySpace would not be one of them.
WikiAnswers is great for all ages!
try the websites girlsgogames .com gamesgames.com agame.com
lemonparty.org tons of dress up games, etc.
tv.disney.godisneychannelwebkinzmillsberrypostopiamyscene.everythinggirlbratz
GirlsGoGames.com,dressupwho.com
For 9 year old girls some good websites are webkinz, neopets, stardoll, and girlsense. Another goood website is Groovy Girls.
Poptropica.com, animal jam.com,
fantage- freedeeqs- freepoptropica -freeallgirlarcadegirlsensewebkinzdressupgamesyoutubegirlsgogames123peppybeaconstreetgirlsquizillasupersecretstardoll
quizilla.com
meez,hi5,and facebook
American girl is ok and this is for boys and girls secertbuilders fantage those are my fav
Candystand or Squiglys Playhouse are good sites =)
AGAME.com