Los Angeles: Singer Lady Gaga is gearing up to make her movie debut with 'Men In Black 3'. According to a Brazilian movie news website, actor Will Smith let slip that Gaga would appear in the movie, during a promotional trip to Rio, reportsa website.

"We have a couple of celebrity cameos, but I cannot reveal who they are. We must keep as a surprise that Lady Gaga appears," Smith said to a website.

(Agencies)