American Idol producers "pitted two females against each other," according to Mimi.
Mimi adds Valentine's Day and eight other dates; tickets go on sale this Friday.
J.Lo didn’t look too interested in watching Mimi on stage.
"Infinity" singer says someone jacked her idea, talks Las Vegas residency and new music in L.A. Times interview
Mimi is on mandatory vocal rest.
Veteran performers with enough hits to rock Sin City.