12month year old clothes - where to buy?

[LittleTwiglet]

Has anyone got any recommendations where to buy clothes online for my daughter who's 12 months old now, she is rapidly outgrowing her 9-12 month stuff and not sure of online places to buy her new things from that don't cost the earth?

I'm way past the 12m stage, and a bit out of touch as far as children's clothes go, but M and S have got a 50% sale on atm, and they have a children's dept. The actual shops are open, too, if there's a branch near you with a food section.