A source tells PEOPLE that Tom Brady isn't dating anyone and is focusing on his job as an analyst for Fox and his kids amid the news of his ex-wife Gisele Bündchen's pregnancy.

The model, who is expecting her third child -- first with boyfriend Joaquim Valente -- displayed her blossoming baby bump at an event.

Pregnant Gisele Bündchen debuted her baby bump in style. While attending the Lotus House Gala on Saturday, November 9, Bündchen, 44, wore a fitted black, halter-neck gown that showcased her growing belly. She shared photos of her look in an Instagram post several days later.

Gisele Bündchen, who is expecting her third child with boyfriend Joaquim Valente, is “excited to embrace this new chapter openly," a source exclusively tells PEOPLE.

O ver two years after her divorce from Tom Brady, Gisele Bündchen is charting a new path for herself in both her professional and personal lives. When it comes to the latter, she

Gisele Bündchen is about to be a mom of three, and sources have confirmed that she'll be embracing "this new chapter openly."

Gisele Bündchen flaunted her baby bump in her first Instagram post for the Lotus House Gala since pregnancy news. In the post, Bündchen shared pictures and videos from the charity event and posted publicly about her first pregnancy with boyfriend Joaquim Valente.