Kaia Gerber goes TOPLESS under a black leather jacket for a sultry new campaign for the brand Ports 1961 By Deirdre Simonds For Dailymail.com Published: 21:18 EST, 3 February 2022 | Updated: 03:45 EST, 4 February 2022 Kaia Gerber posed topless on Thursday as she embraced a new rocker chic style for a sultry new campaign for the luxury fashion house Ports 1961.  While modeling a number of stunning pieces from the Canadian-founded brand’s latest collection, the 20-year-old catwalk queen turned up the heat in a black leather jacket with nothing underneath and a matching miniskirt. In one shot, the daughter of model Cindy Crawford and Rande Gerber’s chestnut brown hair fell over most of…