Is there anything about you that hasn't changed since you were younger?
Is there anything about your appearance or personality that hasn't changed?
「あなたの昔から変わってない(特徴)ところって何」っていう文脈で「変わらないところって何?」と英語で聞きたいならこのようです。
Is there anything about you that hasn't changed?
Is there anything about you that hasn't changed since you were younger?
今より若い時から何か変わってないところありますか?
Is there anything about your appearance or personality that hasn't changed?
見た目や性格に何か変わってないところありますか?
ご参考までに。