Lachowski won Ford Men's Supermodel of the World in São Paulo in 2008, for which he was awarded a contract with Ford Models. He has walked for numerous fashion shows including Dior Homme, Versace, Dolce & Gabbana, DSquared², Gucci, Roberto Cavalli, Thierry Mugler, Armani, and many more and opened for shows such as Ermanno Scervinno. He has done campaigns for DKNY jeans, Lacoste, Armani Exchange, Etro, Dior, DSquared² and Mavi Jeans. He has appeared on the covers of several magazines, including Vanity Teen, Homme Essential, Carbon Copy, Made in Brazil and Chaos. In addition, he has appeared in editorials for GQ, V, Vogue and FHM. In 2015, models. com included Lachowski on their 'Industry Icons' and 'Sexiest Men' lists.