A liquid fabric softener composition comprising: a) from 3.0% to 20% by weight of the total composition of a quaternary ammonium ester softening active, wherein the quaternary ammonium ester softening active has the following formula: {R2(4-m) - N+ - [X - Y - R1]m} A- wherein: m is 1, 2 or 3 with proviso that the value of each m is identical; each R1 is independently hydrocarbyl, or branched hydrocarbyl group, preferably R1 is linear, more preferably R1 is partially unsaturated linear alkyl chain; each R2 is independently a C1-C3 alkyl or hydroxyalkyl group, preferably R2 is selected from methyl, ethyl, propyl, hydroxyethyl, 2-hydroxypropyl, 1-methyl-2 hydroxyethyl, poly(C2-3¬alkoxy), polyethoxy, benzyl; each X is independently (CH2)n, CH2-CH(CH3)- or CH-(CH3)-CH2- and each n is independently 1, 2, 3 or 4, preferably each n is 2; each Y is independently -O-(O)C- or -C(O)-O-; A- is independently selected from the group consisting of chloride, methylsulfate, and ethylsulfate, preferably A- is selected from the group consisting of chloride and methyl sulfate; with the proviso that the sum of carbons in each R1, when Y is -O-(O)C-, is from 13 to 21, preferably the sum of carbons in each R1, when Y is -O-(O)C-, is from 13 to 19; and b) from 0.01% to 5 % by weight of the composition of cellulose fibres wherein the cellulose fiber is microfibrous cellulose; wherein the viscosity measured at 10 s -1 at 20°C of the fabric softener composition is from 300 mPa.s to 800 mPa.s and the dynamic yield stress at 20°C of the fabric softener composition is from 0.001 Pa to 1.0 Pa. a) from 3.0% to 20% by weight of the total composition of a quaternary ammonium ester softening active, wherein the quaternary ammonium ester softening active has the following formula: {R2(4-m) - N+ - [X - Y - R1]m} A- wherein: m is 1, 2 or 3 with proviso that the value of each m is identical; each R1 is independently hydrocarbyl, or branched hydrocarbyl group, preferably R1 is linear, more preferably R1 is partially unsaturated linear alkyl chain; each R2 is independently a C1-C3 alkyl or hydroxyalkyl group, preferably R2 is selected from methyl, ethyl, propyl, hydroxyethyl, 2-hydroxypropyl, 1-methyl-2 hydroxyethyl, poly(C2-3¬alkoxy), polyethoxy, benzyl; each X is independently (CH2)n, CH2-CH(CH3)- or CH-(CH3)-CH2- and each n is independently 1, 2, 3 or 4, preferably each n is 2; each Y is independently -O-(O)C- or -C(O)-O-; A- is independently selected from the group consisting of chloride, methylsulfate, and ethylsulfate, preferably A- is selected from the group consisting of chloride and methyl sulfate; with the proviso that the sum of carbons in each R1, when Y is -O-(O)C-, is from 13 to 21, preferably the sum of carbons in each R1, when Y is -O-(O)C-, is from 13 to 19; and m is 1, 2 or 3 with proviso that the value of each m is identical; each R1 is independently hydrocarbyl, or branched hydrocarbyl group, preferably R1 is linear, more preferably R1 is partially unsaturated linear alkyl chain; each R2 is independently a C1-C3 alkyl or hydroxyalkyl group, preferably R2 is selected from methyl, ethyl, propyl, hydroxyethyl, 2-hydroxypropyl, 1-methyl-2 hydroxyethyl, poly(C2-3¬alkoxy), polyethoxy, benzyl; each X is independently (CH2)n, CH2-CH(CH3)- or CH-(CH3)-CH2- and each n is independently 1, 2, 3 or 4, preferably each n is 2; each Y is independently -O-(O)C- or -C(O)-O-; A- is independently selected from the group consisting of chloride, methylsulfate, and ethylsulfate, preferably A- is selected from the group consisting of chloride and methyl sulfate; with the proviso that the sum of carbons in each R1, when Y is -O-(O)C-, is from 13 to 21, preferably the sum of carbons in each R1, when Y is -O-(O)C-, is from 13 to 19; and b) from 0.01% to 5 % by weight of the composition of cellulose fibres wherein the cellulose fiber is microfibrous cellulose; <EOS>