Answer: toniest

AnswerCrossword Clue
TONIESTMost stylish
TONIESTTops in chic
TONIESTMost ritzy
TONIESTSuperlatively stylish
TONIESTClassiest.
TONIESTMost chic
toniestTONY, stylish (fashionable)
toniesthigh-toned; stylish