Li Na and the rest of the elite eight posed for individual photos at the historic Ciragan Palace Kempinski.
Sara Errani at the elite eight photo shoot. The Ciragan Palace Kempinski is on the shore of the Bosphorus.
Petra Kvitova at the elite eight photo shoot. Oriflame held a Style Suite prior to Sunday's photo shoot.
Angelique Kerber at the elite eight photo shoot. Kerber is playing on a new career-high this week - No.5.
Agnieszka Radwanska at the elite eight photo shoot. The players chose their own dresses for the shoot.
Serena Williams at the photo shoot. Williams is playing her first tournament since winning the US Open.
Maria Sharapova at the shoot. Sharapova has made it through the round robin in four of five previous tries.
Victoria Azarenka, the No.1 player in the world, wore the late Alexander McQueen at Sunday's photo shoot.
A group photo of the elite eight at the TEB BNP Paribas WTA Championships at the Ciragan Palace Kempinski.
Last but not least was Marion Bartoli's shot - the other alternate, Sam Stosur, was en route from Moscow.
Victoria Azarenka and Serena Williams, who played one of the best matches of the year in the US Open final.
Victoria Azarenka was interviewed on the stage at the draw ceremony. Azarenka was drawn in the Red Group.
Serena Williams was interviewed on stage at the draw too. The former World No.1 was also drawn in the Red Group.
WTA Chairman and CEO, Stacey Allaster, addressed the crowd at Sunday evening's official draw ceremony.
The elite eight. Two players are making their debut at the WTA finale - Angelique Kerber and Sara Errani.
A few pics from before the photo shoot and draw ceremony - Oriflame held a Style Suite for the WTA players.
Sara Errani and Petra Kvitova, who were both drawn in the White Group, getting touched up by Oriflame.
Marion Bartoli is at the WTA finale as an alternate for a third time - she also did it at 2007 and 2011.
Last year, Marion Bartoli subbed in for one match and won it, beating Victoria Azarenka in three sets.
They were all smiles over the weekend, but once the matches start those smiles may not be there anymore.