Love, love, love my Chacha Sequin Dress. I am 65 and rock it with over the knee boots. Very festive. I am 5ft. 6in. and 115 lbs. and the small fits great. Got it over the xs for the extra length because of my age. Didn't want to go too short.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large