luiz was involved in the prank ahead of psg 's trip to face marseille at a packed 67,394-capacity stade velodrome .
the £ 50million centre back was part of a duo who conspired to dunk the 36-year-old 's face into his cake on his special day as psg prepare for their ligue 1 trip to face marseille on sunday .
camara , a fringe member of the squad this season , had an unexpected dip into his cake that left him with a faceful .