Bigg Boss season 5 is indeed gearing up for a bigger season and bringing popular and controversial people on board. The latest one to be approached is Karan Singh Grover but as he is shooting for his film with former Miss World Diana Hayden in Bangkok, he hasn't reverted. The other people approached are Mike Tyson, Nandini Singh, while Navjot Singh Sidhu, Divyendu Sharma aka Liquid of Pyaar Ka Punchnama, Poonam Pandey and Kratika Sengar have signed on for the show.