Posing for a sultry mirror selfie, Lopez pouted for the camera as she posed ... who cocked her right hip out slightly with her right hand on her side, wore her honey blonde hair up in a Pamela ...

In her caption, Lopez wrote, "Hi… 🎥 😭 #OfficeRomance." Lopez previously shared a few snaps from the read through of the film, writing, "This is gonna be a fun one." Lopez's curtain bangs ...

Among the executive producers are Ben Affleck (who is Lopez’s ex-husband ... my mom would sit me in front of the TV when West Side Story would come on once a year, on Thanksgiving.

Jennifer Lopez ... and celebrated the onscreen reunion with side-by-side photos of the pair from now and during the making of the 1997 film. Lopez played superstar singer Selena Quintanilla ...