It has been 15 years since the popular American sitcom 'Friends' came to an end. It's no secret that the cast of the show, especially the women, have remained super close even after the series concluded.After celebrating Courteney Cox's birthday, Jennifer Aniston, Lisa Kudrow, and Cox reunited for a girls night out in the city. Cox took to her Instagram account to share a picture of the girl gang."Trying to figure out what to say on Instagram....#gotnothing #friends #girlsnight," Cox captioned a goofy still of the trio.Kudrow also treated fans with a happy selfie of herself with the pals, writing, "Halfway there... #girlsnight #?"The caption was probably hinting at a possible Friends reboot. After all, add in cast-mates Matt LeBlanc, Matthew Perry and David Schwimmer and we have a full-fledged reunion!Aniston recently said that she is open to bringing back the star-cast for a reunion, reported E! News."The girls would do it and the boys would do it, I'm sure. Listen, anything can ...