Thanks, Her_Majesty.
Haakon looks very much like his mother when she was younger. Looking at Sonja's wedding day photo, their face shape and features are very similar.
Some more on the baptism - The Norweigan Royals: Emma Tallulah Behn's godparents announced
NRK are reporting that Christian Udnæss won't be present at the baptism this afternoon.
The baptism can be watched online at the NRK website from 2.25pm Oslo time.
A reception was held at The Palace in Oslo recently for Olympic athletes - The Norweigan Royals: The Royal Family Celebrates with Olympic Athletes
King Harald attends ski championships - The Norweigan Royals: King Harald attends attends 2009 Norwegian Championships