Hollywood actor and singer Jennifer Lopez (55) has been embroiled in controversy for performing sensational choreography ...

The former Kiss drummer went to the doctor ... tested for breast cancer — a disease more commonly associated with women, who are routinely urged to get regular mammograms at a certain age ...

A rhythmic mistake by KISS drummer Eric Singer evidently evoked the musical pileup that, as video suggests, caused backing cues to misalign. Stanley then "missed" part of a vocal that was still heard.