Creating a cute girlie smiley

Start by creating a circle using elliptical shape tool.

Double click the layer to open layer style window. Apply settings as shown.

Create an elliptical selection using elliptical marquee tool. Create a new layer. Apply Black to white gradient. Change layer mode to screen for this layer.

Duplicate the layer. Press Ctrl+T. Right click and select Flip Vertical and place on the other side. Change layer mode to "Color Burn" for this layer.

Create an ellipse using elliptical shape tool.

Double click the layer to open layer style window. Apply settings as shown.

Create a gray ellipse for the eye ball and a smaller black ellipse placed right above it. Apply bevel & emboss layer style on the black ellipse.

Select and duplicate all the eye layers. Press Ctrl+T. Right click and select Flip Horizontal and place on the other side. Create eyelashes using pen tool.

Using brush tool create lips.

Create a triangular shape using polygon shape tool. Apply some gradient.

Ctrl+Click to get the selection. Contract the selection by 1 pixels. Create a new layer. Apply Black to white gradient. Change layer mode to screen for this layer.

Complete the hair band as shown below.

Create her pony tail using brush tool.

Create an elliptical selection using elliptical marquee tool. Press Alt+Ctrl+D to feather the selection. Create a new layer and fill with gray color. Move this layer below all the layers in layer order in layer palette.