Reuters/Suzanne Plunkett
The Irish
But you can also bet on the prince's first word, university, career, first overseas visit, and even the age at which the young royal is first photographed at a nightclub.
While sports betting remains Paddy Power's bread and butter, the site offers a range of these kinds of "novelty" bets.
So here are the 7 strangest non-royal baby things you can bet on right now (and their odds).
1. Will Obama close Guantanamo Bay?
Yes (9/4)
No (2,7)
2. The first to leave the band One Direction.
Liam Payne (7/4)
Harry Styles (5/2)
Niall Horan (7/2)
Zayn Malik (7/2)
Louis Tomlinson (6/1)
3. Will the next James Bond be black?
Yes (4/1)
No (1/7)
4. When will alien life be proven?
2013 (25/1)
2014 (80/1)
2015 (100/1)
2016 (100/1)
2017 (100/1)
2018 (100/1)
5. How will Julian Assange leave the Ecuadorian embassy in London?
UK police car (11/10)
Ecuadorian state car (7/4)
Helicopter (7/1)
Diplomatic bag (20/1)
Laundry van (100/1)
Hot air balloon (150/1)
Tunnel (200/1)
Jet pack (500/1)
6. Who will play Edward Snowden in the film? (top 5)
Jake Gyllenhaal (10/1)
Ed Norton (12/1)
Ryan Gosling (16/1)
Sam Worthington (20/1)
Jeremy Renner (20/1)
7. Will 2013 be a White Christmas?
Chicago (5/6)
New York (2/1)
London (4/1)
Paris (10/1)
Madrid (12/1)