Yes, there were confetti cannons erupting when he entered the club. Yes, there was cake, two in fact. One was shaped like a Lombardi Trophy and the other a large football.
The club got just what it wanted, that Gronk moment. As the crowd cheered for a "Gronk Spike," he smashed the football cake on his brother Chris' head.
He also drank his Champagne straight from the bottle and sprayed the crowd with bubbly.