Cast and Crew in American Idol - 1st 10 Semifinalists Perform - LIVE (Season 12 - Episode 15)

Mariah Carey
Self - JudgeMariah Carey was 43 in American Idol - Season 12 - 1st 10 Semifinalists Perform - LIVE (Episode 15).

Birthday: Thu, Mar 27 1969

Nicki Minaj
Self - JudgeNicki Minaj was 30 in American Idol - Season 12 - 1st 10 Semifinalists Perform - LIVE (Episode 15).

Birthday: Wed, Dec 08 1982

Ryan Seacrest
Self - HostRyan Seacrest was 38 in American Idol - Season 12 - 1st 10 Semifinalists Perform - LIVE (Episode 15).

Birthday: Tue, Dec 24 1974

Randy Jackson
Self - JudgeRandy Jackson was 56 in American Idol - Season 12 - 1st 10 Semifinalists Perform - LIVE (Episode 15).

Birthday: Sat, Jun 23 1956

Keith Urban
Self - JudgeKeith Urban was 45 in American Idol - Season 12 - 1st 10 Semifinalists Perform - LIVE (Episode 15).

Birthday: Thu, Oct 26 1967