Gisele Bündchen is putting her modeling career on ice to fully embrace her exciting pregnancy journey. RadarOnline.com can reveal the supermodel, 44, is taking a break from the industry after it was revealed earlier this week she is expecting her first child with her boyfriend, Joaquim Valente. The update comes as Bündchen — who began dating Valente seven months after finalizing her divorce with retired NFL star Tom Brady — is rumored to be “defying doctors’ orders” with plans of an at-home delivery. The model was reportedly booking new gigs up until early October — just weeks before her pregn…