Lady Gaga: The new Chammak Challo? - Bollywood News. Poker Face girl and Grammy winner Lady Gaga is could be Shahrukh Khan's new Chammak Challo. Watch the video to know more. Regular Facebook Updates http://www.facebook.com/RajshriDotCom. Watch more http://www.youtube.com/playlist?list=PL4E87895D45C52ECE for the latest bollywood film reviews, makings & trailers.