dream lights seem to be very in with all the kids
cute pj's?
If she has an unusually spelled name or uncommon name, something personalized. You can get cute personalized memo pads or stationery at a variety of price points ranging from Papyrus to Thirty-One to Vistaprint.
Monogrammed purse from Thirty One?
hair accessories, make-up, etc.
Watch
Wander around Justice (there's a really good one in Frisco in the strip mall north of Stonebriar...near the Ulta, etc), and you'll probably get some great ideas for that age group. Also, if you go to ToyzUnique, you might get some cute ideas for her too. Ther's a Toyz Unique in Allen at the Villages of Fairview or down at Inwood Village...they have a lot of cool stuff, and best of all will actually gift wrap it for free.