Tom Brady has potentially hinted at his ex Gisele Bündchen’s recent pregnancy announcement with suggestive song lyrics. The retired NFL star, who was married to the model for 13 years, uploaded a sunset photo shortly after news broke that Bündchen was expecting her first child with new boyfriend Joaquim Valente, RadarOnline.com can reveal. Brady shared the scenic shot to his Instagram Stories on Monday, which was accompanied by The Chicks’ cover of the Fleetwood Mac hit Landslide. Ironically, the lyrics — written by Stevie Nicks about her deteriorating relationship with bandmate Lindsey Buckin…