With the Duke and Duchess of Cambridge announcing the birth of their son last night, the first round of brands released their ads through Twitter late last night and early this morning. Throughout the day more and more brands have been joining the celebrations, here are some more of the best Royal Baby campaigns to come out of the last 24 hours.
Game suggests you don't need to be royal to own a kingdom.
Early Learning Centre
The Early Learning Centre has added 50,000 limited edition Happyland Royal baby sets to its toy range.
Did Ryanair know something we didn't? If the baby had been a girl they'd have had to let infants go free for two days, instead of just the one a Royal son gets us.
From one Mumm to another.
Play-Doh have recreated Wills, Kate and their baby on the balcony of Buckingham Palace out of their iconic putty.
Delta's ad says its looking forward to showing the Royal heir the world, pretty sure his family own its own airforce though.
East Midlands is offering four first class tickets to London as part of a celebratory competition.
Sony Pictures congratulated the Duke and Duchess on their new arrival and promoted their upcoming release Smurfs 2 in one fell swoop.
Across the pond Hostess Snacks tweeted this image with the accompanying text "This summer, a precious little bundle of sweetness was born. And Will and Kate also had their baby."
Blinkbox spoofed classic 80s movie 'Look Who's Talking' to send its congratulations to Wills, Kate and the baby.
Celebrating the Royal birth and promoting its Joyville proposition all at the same time for Cadbury.
Yeovil Town FC
Yeovil Town FC decided to follow in the footsteps of the Duke and Duchess of Cambridge making its announcements by easel.
Tesco advertised a promotion on Moet to help the nation raise a toast to the new Prince.
B&Q put its 'Unloved Rooms' campaign front and centre for this ad suggesting products Wills and Kate may need to baby proof the palace.
Biscuiteers has released a special Royal Baby themed box of biscuits featuring silver spoons, regal rattles and the celebratory fizz-shaped iced vanilla biscuits.
Nandos sent well wishes to Wills and Kate using billboards outside its branches.
British Airways used a little wooden airplane to send its message of congratulations to the new parents.