Bickham Script from Adobe.

Yep, Andrew is right.
Had to check first, Bickham Script with alternates:

Thanks Florian, Bickham is one of the only scripts I can name from sight. I went to get the link and came back to see that you’ve already posted one from Fontshop. I also forgot to mention that the example uses alternatives, most likely the Pro OpenType version of the font.

This is the Adobe link: http://store1.adobe.com/cfusion/store/html/index.cfm?store=OLS-US&event=...