X0101 EFFECT 33 LIVE 2011-12-30 0001193125-11-338089 485APOS 0000917952 FIRST METLIFE INVESTORS VARIABLE ANNUITY ACCOUNT ONE 333-176693 S000005137 FIRST METLIFE INVESTORS VARIABLE ANNUITY ACCOUNT ONE C000106663 Class C (offered on and after October 7, 2011)