Jennifer Lopez is Supported by Boyfriend Alex Rodriguez at 'Second Act' Premiere!

Jennifer Lopez cozies up to boyfriend Alex Rodriguez as they arrive at the premiere of Second Act on Wednesday night (December 12) at the Regal Union Square in New York City.

The 49-year-old entertainer stunned in a dramatic, bright pink high-low dress as she stepped out for the premiere of her new movie.

PHOTOS: Check out the latest pics of Jennifer Lopez

The night before, Jen and Alex surprised fans at a screening of her new movie!

Second Act hits theaters on December 21.

FYI: Jennifer is wearing a Giambattista Valli gown, Jimmy Choo shoes, and Lorraine Schwartz jewelry while carrying a Judith Leiber Couture clutch.

15+ pictures inside of the couple on the red carpet…