United Kingdom, Jan. 31 -- Gisele Bundchen has given fans a rare glimpse of her growing baby bump.

The 44-year-old supermodel is expecting her third child -and her first with boyfriend Joaquim Valente -after having son Benjamin, 15, and daughter Vivian, 12, with her ex-husband Tom Brady, and even though she has spent months being private about the upcoming arrival, she has now revealed how her stomach is looking in a heartfelt Instagram post.

Sharing a video on Instagram of herself walking along the beach that included a moment where she cradled her bump, she said "Happiness is an inside job. Remember, you are the only one who has the power to create the life you want to live."

Gisele's video shows her strolling along the sand in a bik...