Kid Cudi has a star-studded birthday bash with ... with a frosted white cake as his friends surrounded him and sang Happy Birthday in his honor. Follow Us on Social: YouTube: @HollywoodPipeline ...

Kid Cudi rang in his 40th birthday this week ... Ninja Turtles taking the stage to the sounds of Stevie Wonder's "Happy Birthday," with the Travis Scott and Lil Uzi Vert producer telling fans ...