Lenny Kravitz is the picture of rock star cool in all-black ensemble at celebrity hotspot in NYC

Sylvester Stallone is seen for first time since divorce announcement at NYC screening of Samaritan

Emily Ratajkowski flashes major cleavage in a plunging lace-up LBD for lunch date in NYC

Serena Williams puts on stylish display as she joins sister Venus Williams at Champions event in NYC