Palace's first game of the tournament saw them blow away rivals Brighton with a 3-0 victory. Williams followed a first-half brace from Adler Nascimento with a fantastic solo effort.
After picking up the ball near the halfway line, he went on a surging run and skipped past four Brighton defenders before striking past the 'keeper with a strong left-footed shot. Check out the video below to see his stunning effort, Jordan Ayew and Jean-Philippe Mateta's reactions, and his own response!