Gisele Bundchen And Twin Sister Patricia Celebrate Their Birthday On The Beach

07/21/2014 09:14 am ET | Updated Jul 21, 2014

This will make you do a double-take.

Gisele Bundchen and her twin sister Patricia -- yes, she's a twin! -- celebrated their 34th birthday together on a beautiful beach July 20. The supermodel sported a bikini as she and her sister blew out the candles on their birthday cake:

Gisele wrote alongside the photo, "Thank you to everyone for the love and birthday wishes. I feel so blessed. #grateful".

Mrs. Tom Brady is clearly enjoying her tropical vacation, as she shared this action shot on her Instagram account July 18:

Happy birthday to Gisele and Patricia Bundchen!

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