if you're looking to do pretty in a simple way or just fancy having a play with pattern, these super quick fix light shades should do the trick...
1/ ditsy floral fabric light shade in blue, £18, urban outfitters
2/ ditsy floral fabric light shade in pink, £18, urban outfitters
1/ ditsy floral fabric light shade in blue, £18, urban outfitters
2/ ditsy floral fabric light shade in pink, £18, urban outfitters