Have you gone to the manufacturer's website to see about buying a replacement? Then you can keep the boyish one and have either when she grows out of it and you sell it.
I have no idea where you would get a pattern. You could take the cover that came with it apart and use it as a pattern.
If you go that route, to make it fluffy and comfy, make two of each piece, a front and a back. You could choose two coordinating fabrics so it is reversible. Anyway, when you have pieced the front and the back, pin them right sides together and a piece of fluffy batting on top. Sew them together leaving an opening for turning. Turn it and sew the opening closed. Then you will have to make an opening for the straps. Use a buttonhole stich to cover the egdes of the holes you made for the straps. You can also quilt pretty designs on it. Use pretty thread.
I have never done this before, but I sew and quilt a lot so this is my best idea.
at 3:48 AM on Jul. 19, 2009