Front rs badge

Mine came with two C shaped pieces of wire holding it in like these:

cringPliersHD.jpg

If you use these you'll have to take the bumper off and do it from behind
 
Right he had some at renault but I couldn't work out how they went I don't really fancy messing about taking the bumper off and that I could so with some spring clips maybe to hold it on?
 
If you're doing it from the front i'd stick it it with some decent double sided tape like mark said