Gisele Bündchen, who is preparing to welcome her third baby, seems the "happiest she's ever been," a source close to the model tells PEOPLE.

Gisele Bündchen surprised fans last year when news surfaced that she and her boyfriend, Joaquim Valente, were expecting a baby. Already a mom of two with ex-husband Tom Brady, Gisele has kept this pregnancy mostly under wraps—though that hasn’t stopped the paparazzi from snapping photos.

Supermodel Gisele Bundchen, 44, is expecting her first child with boyfriend Joaquim Valente. Despite being pregnant at an older age, she radiates happiness and shares uplifting messages on social media.

Pregnant Gisele Bündchen — who is expecting a child with boyfriend Joaquim Valente — shared an adorable video of her baby bump while reflecting on how to find happiness in life.

Gisele Bundchen shared a video showing off her baby bump months after news broke that she and Joaquim Valente are expecting

Gisele Bündchen has a lot to be happy about. The 44-year-old ex-wife of NFL icon Tom Brady took to Instagram on Wednesday, January 29, to share a video that hi

Tom Brady is officially single as ex-wife Gisele Bündchen expects a child with new boyfriend Joaquim Valente. Brady, who shares two children with Bünd

The model gushes about finding “happiness” as she gets ready to welcome a child with boyfriend Joaquim Valente

In the Reel, Bündchen shared clips of herself walking along the beach, running through the sand and cradling her bump as she posed alongside a sunset. The supermodel could be see

Gisele Bündchen has found her joy. On Wednesday, the pregnant supermodel—who is expecting her first child with boyfriend Joaquim Valente—shared an inspiring message about happiness while baring her baby bump in a bikini on the beach.