Gisele Bündchen and Tom Brady 'working through things' amid marital tension over his return to NFL

dailymail.co.uk:

Gisele Bündchen was family-focused on Sunday as she took to Instagram to wish her sister Graziela Nonnenmacher Bündchen a happy birthday, amid ongoing rumors about the state of her marriage to NFL icon Tom Brady.The Brazilian supermodel, 42, wrote in a message (translated from Portuguese), 'Happy birthday to a true angel on earth!

I love you so much sis!'In the shot, the 5ft11 stunner was in her wedding dress being held up by her sister, who donned a blue silk gown.

She added Instagram stickers to affix an image of a birthday cake and hearts to the post. The latest: Gisele Bündchen, 42, was family-focused on Sunday as she took to Instagram to wish her sister Graziela Nonnenmacher Bündchen a happy birthday, amid ongoing rumors about the state of her marriage to NFL icon Tom Brady, 45Bündchen appeared to be in good spirits amid what sources described to People as 'a rough patch' in the 13-year celebrity marriage.Bündchen is mother to 12-year-old son Benjamin and nine-year-old daughter Vivian, with the Tampa Bay Buccaneers quarterback, and is stepmom to his 14-year-old son with actress Bridget Moynahan, John Edward Thomas Moynahan.

Insiders told the publication that there is 'a lot of tension' between the pair, as Bündchen 'wasn't thrilled' with Brady's decision to return to the NFL for one more season after briefly retiring earlier this year.'They're hitting a rough patch,' the insider told the outlet. 'But I know they're trying, or at least he's trying, to figure it out and make it work.