Lady Gaga as alien? Monday 12th March 2012 | Osh Men in Black 3 is coming out in May. Lady Gaga is set to make her big screen debut. According to a recent interview with Will Smith, Lady Gaga would make an appearance in the third part of Men in Black. He reportedly told ElCorilloRD.com: "We have a couple of celebrity cameos, but I cannot reveal who they are. We must keep as a surprise that Lady Gaga appears." Josh Brolin, Tommy Lee Jones and Emma Thompson are starring as well as alien combatting secret agents. Hollywood Golden Girl Betty White and legend in the boxing world Mike Tyson are also rumored to be making guest appearances in the movie. So far this franchise has made over $ 1 billion globally.