Mark out and copy the girl's lips, place them on a new layer on the same place they were situated before. Change their color with Image ?Adjustments ?Curves (ctrl+m).
使用多边形套索工具选出MM的嘴唇,扣出来放到新层中,位置不变,点击图像-调整-曲线,将嘴唇变成蓝色。

Now it's possible to combine all the layers: Layer Merge Visible (shift+ctrl+e). Insert everything in a frame, applying Crop Tool and Rectangular Tool. Use the Sponge Tool to decolorize a part of the picture, that one from the right side.
下面将所有图层合并(图层-合并可见图层shift+ctrl+e),使用裁剪工具和矩形工具扩大画布并将图片右侧的颜色进行脱色。

Finishing the features, add the ready brushes' set representing the stars (they may be downloaded here: http://www.deviantart.com/deviation/30000107/
?qo=20&q=by%3Aanarasha&qh=sort%3Atime+-in%3Ascraps).
The brushes representing the frost may be downloaded on this address http://www.deviantart.com/deviation/27149678/
?qo=16&q=Ice&qh=in%3Aresources%2Fapplications%2Fpsbrushes+sort%3Atime
使用以下两种画刷对图片进行边缘优化:画刷1( http://www.deviantart.com/deviation/30000107/?qo=20&q=by%3Aanarasha&qh=sort%3Atime+-in%3Ascraps)
画刷2(http://www.deviantart.com/deviation/27149678/?qo=16&q=Ice&qh=in%3Aresources%2Fapplications%2Fpsbrushes+sort%3Atime )

效果完成~希望这篇教程对你有帮助~^_^。