The gorgeous supermodel, who celebrated her birthday yesterday, shared a photo of their special day celebration on her Instagram account, reported Ace Showbiz.
In the photo, Bundchen sported wavy hair and a bikini as she and her sister blew out the candles on a birthday cake together.
The cake was surrounded by bright yellow tropical flowers, matching the theme of the place. Palm trees, luscious greenery, clear sky and a blue ocean were seen in the background of the photo.
"Thank you to everyone for the love and birthday wishes. I feel so blessed. #grateful." She repeated the message in Portuguese.