FIANCE VISA or MARRIAGE WHILST STILL ON GREEN CARD?

[safariland1]

MY FIANCE WANTS TO GET MARRIED BEFORE I BECOME A US CITIZEN ...I'VE BEEN TOLD THAT IT WOULD BE BETTER TO WAIT UNTIL I BECOME NATURALISED THEN BRING HER OVER ON A FIANCE VISA,AS THIS WOULD BE THE SHORTEST ROUTE TO TAKE.IS THIS TRUE? ONCE A CITIZEN,HOW LONG WOULD THE PROCESS TAKE TO BRING MY FIANCE TO AMERICA? MANY THANKS.

[safariland1]

MY FIANCE WANTS TO GET MARRIED BEFORE I BECOME A US CITIZEN ...I'VE BEEN TOLD THAT IT WOULD BE BETTER TO WAIT UNTIL I BECOME NATURALISED THEN BRING HER OVER ON A FIANCE VISA,AS THIS WOULD BE THE SHORTEST ROUTE TO TAKE.IS THIS TRUE? ONCE A CITIZEN,HOW LONG WOULD THE PROCESS TAKE TO BRING MY FIANCE TO AMERICA? MANY THANKS.

[sappyconifer]

If she is not already here in the US petitioning a foreign national on a fiancé visa is only available for US citizens.