Gisele Bundchen went from sassy to sweet in a series of sexy pieces of lingerie at the Hope Valentine's Day special collection fashion show in Sao Paolo, Brazil, Thursday. The supermodel and mom showed off her very super figure as she strutted her stuff in sky-high heels and next-to-nothing looks. It's been a big week of appearances for Gisele, who attended a charity event with husband Tom Brady, and was honored for her environmental work at more than one event in NYC. As part of her role as UN environmental goodwill ambassador, Gisele Bundchen also starred in a cute video challenging Don Cheadle to a "pledge off." Her stay on the East Coast came to an end when she had to head back to her native Brazil to hit the runway. It's her second time to Sao Paolo in as many weeks, as she debuted her Gisele Bundchen clothing line in a department store there at the end of April.