(Cover) - EN Showbiz - Will Smith enjoyed wrestling with the director on the set of Men in Black III.

The Hollywood star has reprised his role as Agent J in the latest instalment of the sci-fi franchise. While shooting the movie, Will and director Barry Sonnenfeld were often seen letting off steam in between takes.

"Will was always grabbing him and wrestling around. They have a long friendship and it's very funny and very eccentric, and you never know what is going to happen. Put them together, and it's like a flash fire," Will's co-star Michael Stuhlbarg told New York Post.

"One of them would attack the other out of nowhere. They'd be on the floor wrestling like two eight-year-olds," added actor David Rasche.

After a screening of the movie on Wednesday night, stars attended a lavish party at the Intrepid Sea, Air and Space Museum in New York City.

Will thrilled guests at the bash by appearing on stage with his former music partner DJ Jazzy Jeff.

The star's children also got involved in the live performance Will's son Jaden warmed up the crowd with a few songs while daughter Willow also got involved by dancing.

Then Will joined them to perform hits such as Fresh Prince, Men in Black and Summertime.

After the surprise show, guests were entertained with an impressive fireworks display. (C) Cover Media