Mariah Carey was very fun and flirty as she took to the American Idol Stage, on Thursday night.

Mariah Carey was very fun and flirty as she took to the American Idol Stage, on Thursday night. The songstress wore a $4,361 Azzedine Alaïa Nude Sleeveless Tiered Dress, with matching peep toe sandals. 

Naomi Campbell also wore the same dress last year.  both looks are lovely...