Jennifer Lopez’s $90 million deal for a 90-date Las Vegas residency is allegedly in trouble as the star’s new This Is Me…Now album and tour continue to underperform, RadarOnline.com has learned. MGM reportedly put in a $1 million per show offer after a bidding war against Resorts World and Anschutz Entertainment Group (AEG) drove the price up from $800,000, but J Lo’s poor ticket sales have led to the cancellation of seven tour dates this summer. “MGM is watching her not doing well on the road. They are very nervous,” one source told The New York Post. “It’s pretty rare you have a poor tour …