The pair looked great together as they stepped out for the premiere of "Neighbors 2: Sorority Rising," starring Moretz, 19, reported People magazine.
The actress opted for a lacy LBD and silver stilettos, while son of David and Victoria Beckham paired black denim jeans with blazer, white button down and tie.
Dating speculation about the two started in 2014 when they were seen hanging out together and attending the Teen Choice Awards.
Moretz recently confirmed that she and Brooklyn are dating.