Could he be any cuter?
Dressed in a blue patterned jacket, a gray T-shirt, black pants and blue and white sneakers, the pair's little boy struck a fierce pose on the blue carpet along with one of the performers, who wore a blue Na'vi costume and makeup.
Josh, who wore all black, also posed on the blue carpet, with two performers.
It was a father-son night out for Axl and his dad, as Fergie did not accompany them. The pop star posted on her Instagram page that day a video of her filming a music video for her new single "Life Goes On" on a beach.
Other celebrities who attended the opening of TORUK - The First Flight included Avatar creator James Cameron, Dileep Rao, who played Dr. Max Patel in the 2009 movie, Helen Hunt, Christina Milian, Lisa Bonet, Jack Black, who brought his sons Samuel, 10, and Thomas, 8, Black-ish child star Miles Brown, Mira Sorvino, Lucifer and Battlestar Galactica actress Tricia Helfer, Mexican actress and singer Eiza González and Stitchers actor Damon Dayoub.