Ciara's Christian Louboutin Boots

I spotted Songbird Ciara wearing these peculiarly studded Christian Louboutin boots on stage at Wembley Arena in London.

CiCi is wearing the leather version, but Donjon over-the-knee boot by Christian Louboutin is currently available from Net-A-Porter in suede for an incredible $2,350.

Kat McPhee's Louboutin Pumps

Luxe designer Christian Louboutin has created a new celeb favorite with these grafitti-inspired pumps. $676 from Barney's