Tennis ace John McEnroe and rocker wife Patty Smyth raised eyebrows during a dinner hosted by Vito Schnabel for the “Happy Endings” exhibit at the W Hotel in Miami. The couple surprised diners, including artist Terence Koh, actor Stephen Dorff and Jann Wenner‘s son Theo Wenner, by passing around what looked like a spliff during a discussion on marijuana reform. “They were talking about grass reforms and the next thing you know they were lighting up,” laughs an attendee. “No one seemed to mind, though.”