The weekend was a festive one for fashion designer Martha Medeiros as her son Gustavo Medeiros tied the knot with Daniela Sampaio. The weekend was a festive one for fashion designer Martha Medeiros as her son Gustavo Medeiros tied the knot with Daniela Sampaio. The weekend was a festive one for fashion designer Martha Medeiros as her son Gustavo Medeiros tied the knot with Daniela Sampaio. The weekend was a festive one for fashion designer Martha Medeiros as her son Gustavo Medeiros tied the knot with Daniela Sampaio. The weekend was a festive one for fashion designer Martha Medeiros as her son Gustavo Medeiros tied the knot with Daniela Sampaio.