ID Carine Roitfeld's shoes

[ats16]

Can anyone ID these shoes? Carine (Editor-In-Chief of French Vogue) wears them all the time.

http://4.bp.blogspot.com/_pekaT4X1eB8/TFbvDfP-mRI/AAAAAAAAD5A/Ue5fKXOjz14/s1600/streetstyle-2087.jpg

 

[heartfelt]

They're by Azzedine Alaia.

 

[ats16]

Any idea where I might be able to find them? Or are they so old that it'd be impossible to find them?