Rod Stewart's wife Penny has unveiled an unbelievable Celtic-inspired birthday cake for their son, Aiden.

Posting the picture on Instagram, Penny revealed a double-tier sponge coated in green and white icing with the Hoops logo placed on top. 

She said: "Made my first lemon drizzle birthday cake and blueberry, banana pancakes for my birthday boy today."

The family have been celebrating Aiden's 10th birthday. 

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Hundreds of fans have left comments on the post to praise Penny on her impressive cake. 

One fan said: "Wow how ever did you make all those shades of green? Great cake."

Another added: "Looks absolutely delicious."

Another posted: "Yum! That's awesome Penny!"