. >> we understand that this dancer and choreographer brian tanaka has been working with mariah carey for years and they've formed a bond but that's played a much bigger role in her life recently. mariah's fiance's alleged jealousy of tan knack ka was so bad james packer banned him from caesars palace in vegas. >> he gave pictures the of brian to security guards in the casino in an attempt to keep him away. >> but this lap dance carrey gave him during a show in may that could have lit packer's fuse. >> he was very, very angry about it. this is one of the caused the breakup. >> it is what it is. >> then in june brian was actually injured. he hurt his leg, wasn't able to dance. he still showed up at one of mariah's shows. james is said to be absolutely furious, questioning why brian needed to be there even if he wasn't dancing. james took brian aside, took him into a dressing room and said, look, had is going to stop and i don't want the two of you hanging out anymore. says that he's not an issue between mariah and james. but pop divas and their affection for backup dancers is nothing n