Gisele Bündchen appears to be moving on from Tom Brady after she was spotted out not wearing her wedding ring.On Tuesday, the 42-year-old supermodel was photographed in Miami, and her left hand was clearly bare of any jewelry, including her wedding ring. Bündchen, who was alongside 12-year-old son Benjamin and 9-year-old daughter Vivian, wore a white vest top and gray sweats.That the Brazilian beauty is no longer wearing her wedding ring proves significant amid growing speculation that the power couple is headed for divorce. A source recently told ET that the Tampa Bay Buccaneers quarterback and the supermodel «haven't been in a good place.»Bündchen and Brady not being «in a good place» comes amid reports they've each retained divorce lawyers.«Rumblings of marital issues between Tom and Gisele began towards the end of the summer, and more recently, things have gotten worse and more serious,» the source said. «They haven't been in a good place.