Sarah Jessica Parker & Olivia Munn Love to Laugh in NYC

Sarah Jessica Parker and Olivia Munn have begun filming I Don't Know How She Does It in NYC and it seems they're already having a blast! Despite the bitter cold winter weather on Monday in the Big Apple, SJP and Olivia look as glamorous and sophisticated as ever.

OK! GALLERY: SARAH JESSICA PARKER TAKES HER TWINS OUT FOR A DOUBLE STROLL

Sarah, the proud mother of three, has been spotted all over NYC pushing her youngest twin girls, Marion and Tabitha, around in their double decker stroller with her eldest son, James Wilkie, by her side.

OK! GALLERY: MATTHEW BRODERICK AND JAMES WILKIE BRAVE THE SNOW

Sarah's hubby, Matthew Broderick also has been out and about with the kids, even walking James to school through the aftermath of a huge snowstorm!