hello, I would like to know what is the best lenses you recommend to use for wedding portraits inside and outside with a Canon 40D?

Thanks I'm shooting the 1d Mark II so the EF-S lenses are out but I should have mentioned that before. (my bad) The only prime I have right now is a sigma 20mm which I purchased for shooting interiors of buildings. So the primes you mentioned are high on my list. I was looking at a 85mm that has...