She also included a throwback pic of Justin and a different angle of his birthday cake, as well as several snapshots of the couple over the years. In the caption, the model wrote, “30 ...

This is a really easy birthday cake for kids of all ages ... tin and cover the top of the tin with aluminium foil. Bake for 30 minutes, then remove the foil and bake for a further 20 minutes ...

the couple was seen striking an adorable pose together as Keys held a beautifully decorated white and purple-colored cake, marking the Australian Open champion's 30th birthday. Keys’ Instagram ...