Gisele Bündchen 

The 44-year-old supermodel and her boyfriend, Joaquim Valente

Gisele Bündchen 

Gisele Bündchen is looking forward to being a mom of three. 

Gisele Bündchen 

This will be the Brazilian model’s third child; she shares son Benjamin Rein, 14 

Gisele Bündchen 

and daughter Vivian Lake, 11, with ex-husband Tom Brady. 

Gisele Bündchen 

A source close to Bündchen exclusively tells PEOPLE that Bündchen is “excited to embrace this new chapter openly.” 

Gisele Bündchen 

Bündchen has “received many positive messages and congratulations,” says the insider, 

Gisele Bündchen 

adding that while the soon-to-be mother of three “wanted to keep it private for as long as she could 

Gisele Bündchen 

The supermodel “feels good” and is continuing “pilates and other exercises that will help with birth too,

Gisele Bündchen 

the insider says, noting the model “eats healthy and meditates as well.”