Kevin Hart's kind gesture nearly backfired during his headline-making show with Chris Rock andDave Chappelle at Madison Square Garden in New York City on Saturday night. In an interview on on Monday, Hart revealed how the epic performance came together, culminating with a real-life goat joining the trio of comedians on stage at the end of the night. A nod to the acronym G.O.A.T. — Greatest Of All Time.«The idea came because I was like, 'Chris, we should do some shows together. How about we just do New York and Jersey together?' Chris was like, 'Cool,'» Hart told Fallon.