The BNP Paribas WTA Finals Singapore presented by SC Global has been entertaining for fans, both on and off the court. Here are the best of the tweets featuring the sports celebrities starring at the Singapore Indoor Stadium each night till Nov 1., with our tongue-in-cheek look at them.

How do you do the Maria Sharapova fist pump?

It's not enough to know how to wield a tennis racket these days in the top flight, you need to know how to work a selfie stick too:

Wait...is this tennis or Star Wars: The WTA Force awakens?

Flavia Pennetta shows us this is her pre-match de-stressing routine in Singapore. Do not take her Italian translation seriously.

Beware of the second Pennetta here, Flavia. She looks dodgy.

WTA's Twitter account also teaches the "Singlish word" of the day that it is encouraging its players to use. Indeed, you learn something new every day in Singapore.

US player Bethanie Mattek-Sands bonds with doubles teammate Lucie Safarova.

Heard of Taiwan's Chan sisters? Well, if they stay away from fighting with each other, they could make more headlines. Here's Chan Hao-Ching (right) and Chan Yung-Jan (left).

Seen the glam Chan sisters?

Chan Yung-Jan thinks this diet can fire up her performances in Singapore this week.

Poland's Agnieszka Radwanska wants to know your fashion critique of her dress.

Finally, to tennis legend Martina Hingis, please don't tag Gollum on Twitter after getting your Hall of Fame ring.

Follow more of ST's coverage of the ongoing tournament at the Singapore Indoor Stadium till Nov 1: https://www.straitstimes.com/sport