First Minister Carwyn Jones has led Welsh messages of congratulations to the Duke and Duchess of Cambridge.
"Many congratulations to the Duke and Duchess of Cambridge on their wonderful news" he tweeted.
The Leader of the Welsh Conservatives in the Assembly, Andrew RT Davies, also tweeted a message of support, describing the news as "the perfect end to a Jubilee year.
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Plenty of sunshine around this afternoon after a cold and frosty start.
A new project is aiming to help people with hearing and sight loss leave hospital and live independently at home.
Another dry, bright and cold day with many places seeing some sunshine. However, there may be some fog patches that persist all day.