Jodi .... i so second jamakin's idea with a come dressed as a character starting with "N", that's a brilliant idea ... can even teach them a little bit more about the letter N if you will

Also i have to say a number ' 3 ' shaped cake always looks fantastic ... i did one for my DD's 3rd birthday this year with a pretty shade of green instead of the usual girly pink, purchased sugar decorative flowers of assorted colours from the local cake shop ... Jodi you could even be adventurous & maybe do a pretty lilac or mauve icing on the cake instead of pink for something different but it still be girly

We had our DD's party in our huge new garage & bought a couple of boxes of fairy lights (assorted colours) from Bunnings for under $7 a box (i think called coloured buds??) & dangled them from the ceiling. Looked like Fairy land ... And i would have to say Spotlight have a wide range of printed latex balloons to choose from with flowers, fairies, etc on them.

Oh, and for a girly girl like Nina she absolutely must have the homemade sweet treats "Tea-Cup & Saucer" as they are called (even though they look like pretty coloured cappucino's). Tic Toc Biscuit iced side up (SAUCER) with a Pascall's marshmallow attached with very think icing (CUP), then a freckle attached with icing on top (FROTH) then a half of a musk lifesaver stuck to the side (CUP HANDLE)