After a source confirmed to PEOPLE that Gisele Bündchen, 44, and her boyfriend Joaquim Valente, 35, are expecting their first baby together, Bündchen’s third, on Monday, October 28, fans wondered how she was managing her pregnancy for months could keep secret.

Bündchen often shares her son Benjamin Rein, 14, and daughter Vivian Lake, 11, whom she shares with ex-husband Tom Brady, on her social media, but the model gave no indication she was expecting her third baby.

Earlier this month, the model shared an Instagram reel promoting a herbal supplement brand that was meticulously photographed from the chest up.

Never miss a story again — sign up for PEOPLE’s free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.

Many expected the model, who served as a Victoria’s Secret Angel from 1999 to 2006, to return to the 2024 Victoria’s Secret Fashion Show on October 15. However, Bündchen was apparently not present on the catwalk.

On October 4, the soon-to-be mother of three shared a carousel of snaps from her modeling campaign with Colcci Jeans. While her stomach was completely exposed while posing in Brazil, it’s unclear when these photos were taken.

“Rio de Janeiro is still beautiful! It’s always nice to be back in this wonderful city. There is no better place to take photos @colccioficial @colccijeansoficial 🇧🇷☀️,” she captioned the post.

The PEOPLE Puzzler crossword is here! How quickly can you solve it? Play Now!

On October 3, the supermodel shared that her recent photoshoot look for Zara was inspired by Italian actress Monica Vitti — as she sported a messy blonde bob reminiscent of the late star. In the pictures she posted on Instagram. Bündchen’s stomach is either covered by a fur jacket and wide pants or completely cut out.

“It was so much fun playing Monica Vitti in front of the lens of my dear friend Steven Meisel for the special @stefanopilati collection for @zara 📸,” Bündchen wrote in the caption.

On September 22, she shared an Instagram carousel captioned, “Best of Summer! ☀️ O melhor do verão!” This included a few full bikini shots from the summer months.

Earlier this month, Bündchen posted a series of snaps of her Vogue Brazil Photoshoot. Many of her looks feature skin-tight clothing, figure-hugging corsets and even mesh material on the stomach.

“It was fun photographing the new @voguebrasil with my loved ones,” she shared in her caption.

The bikini pictures continued into July, when she took to Instagram to share various snaps from her family trip to Bahia, Brazil. The proud mom can be seen jumping across the beach in her cheetah print bikini.

On Monday, October 28, a source close to Bündchen confirmed the model’s pregnancy news, telling PEOPLE in a statement, “Gisele and Joaquim are excited about this new chapter in their lives and look forward to a peaceful and loving environment create.” for the whole family.”

Bündchen has been dating the jiu-jitsu instructor since June 2023. Her baby will be accompanied by Bündchen’s son Benjamin Rein, 14, and daughter Vivian Lake, 11, whom she shares with ex-husband Tom Brady.