The flamboyant Brazilian is known for being good with his feet and possessing a wicked free-kick.
And the Chelsea man wanted to show just how accurate his set-pieces can be.
Teammate Nathaniel Chalobah stood beneath the crossbar as a target for Willian and Luiz.
After watching Willian fail with his effort, Luiz hit the bullseye as his strike flew into the top corner.
But Chelsea legend Frank Lampard cheekily commented on the video: ‘Show the other 50’ along with two laughing emoji icons.
Watch the video below….