You didn't know it was Brazilian Valentine's Day?
Actually, it's Dia Dos Namorados, which is observed on June 12 there and celebrated much like Valentine's Day.
So, if you're married to one of the most famous Brazilians in the world, you go all out.
The Patriots quarterback's wife, supermodel Gisele Bundchen, returned the favor with her own post, minus Tom's "I Love Gisele" t-shirt.
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Apparently, it wasn't all lovey-dovey Tuesday as Brady, according to the Golf Channel's Tim Rosaforte, got in a round of golf with Phil Mickelson at Shinnecock Hills on Long Island, where the U.S. Open begins Thursday.