Apparently, the biggest "American Idol" battle this season will be between new judges Mariah Carey and Nicki Minaj instead of any of the contestants. It's too bad, really, since they actually have a lot in common, including their 2009 duet, "Up Out My Face." Here's a look:
HAILS FROM Greenlawn
NO. 1 ALBUMS 6 (including 2 of first 3)
BIGGEST HIT "One Sweet Day" (No. 1 for 16 weeks, 1995)
CALLS HER FANS Lambs
TWITTER FOLLOWERS 8.6 million
JUSTIN BIEBER COLLABO "All I Want for Christmas Is You" duet on his "Under the Mistletoe" album in 2011
JAY-Z COLLABO On remix of her 1999 "Heartbreaker" single
EMINEM RELATIONSHIP Bad -- beefing over a reported failed romance and includes her dis track "Obsessed"
WHY DO "IDOL"? "I just had two babies... and I thought it would be a good thing for me to have something that was a little more stable than just constantly working and whatnot."
HAILS FROM Jamaica, Queens
NO. 1 ALBUMS 2 (including 2 of first 3)
BIGGEST HIT "Super Bass" (No. 3, 2011)
CALLS HER FANS Barbz
TWITTER FOLLOWERS 15.5 million
JUSTIN BIEBER COLLABO On his 2012 single "Beauty and a Beat"
JAY-Z COLLABO On Kanye West's 2010 single "Monster"
WHY DO "IDOL"? "I knew it was going to reach the masses... I always kind of like to do the thing that everybody wouldn't believe I would do, wouldn't expect me to do."