Tom Brady has broken his silence following news of ex-wife Gisele Bundchen’s pregnancy with a cryptic social media post. The former NFL quarterback shared a sunset photo on Instagram, accompanied by lyrics from The Chicks’ cover of Fleetwood Mac’s “Landslide”. The post, which appeared just hours after Bundchen’s pregnancy was revealed, featured the poignant lines: “Oh mirror in the sky/ what is love? Can the child within my heart/ rise above?” Brady’s cryptic message comes as Bundchen, 44, is reportedly expecting her first child with jiu-jitsu instructor Joaquim Valente, 35. Bundchen’s pregnan…