Gisele Bündchen is showing off her baby bump — and stepping out in Miami — after news broke she is pregnant and expecting her first child with boyfriend Joaquim Valente .
Bündchen, 44, was seen on Thursday, October 31, wearing a little black dress that revealed her growing belly while running errands, per photos obtained by Us Weekly .
The pregnant model looked casual and cool in the wrap dress, carrying an oversized tote bag. Bündchen completed her maternity outfit with a pair of black flip flops and tortoise colored sunglasses. The former Victoria Secret angel opted to wear her hair in a loose braid…