Nico Rosberg's championsip celebrations can be seen from the crowd's perspective in this fan video.
Following a change to parc ferme regulations at the end of 2013, " the winning driver who may perform an act of celebration before reaching parc ferme, providing he does it safely and without calling into question the legality of his car."
Since then the rule change has rarely been taken advantage of but Rosberg celebrated his world championship victory in spectacular fashion by performing donuts on the start/finish straight.
While Rosberg was not the race winner, The FIA will no doubt let this one slide...
Bahrain International Circuit - Winter testing