He wrote: "Wow 17 years ago to this day this happened... I was lucky to meet someone who has the same drive and wanted the same things in life... We have created 4 beautiful children and I couldn't wish for a more loving and caring mummy for them... Happy anniversary, I love you <3 <3 <3 <3 <3"
Victoria Beckham also posted a wedding photo throwback and a lovely message to her husband.
She wrote: "I feel so loved and truly blessed My best friend,my love.The kindest man who inspires me every day. Happy Anniversary to the best husband and daddy in the world!! EVER! #HappilyEverAfter @davidbeckham @brooklynbeckham X VB"
Just another reason why these two are couple goals!