Freddie Prinze Jr. is 36.
Carole Bayer Sager is 68.
Micky Dolenz of The Monkees is 67.
Randy Meisner is 66.
Peggy March is 64.
Gary Numan is 54.
Aidan Quinn is 53.
Jimmy Dormire of Confederate Railroad is 52.
Camryn Mannheim is 51.
Shawn Mullins is 44.
Andrea Parker is 42.
James Van Der Beek is 35.
Kameelah Williams of 702 is 34.
Tom Chaplin of Keane is 33.
Andy Ross of OK Go is 33.
Kristinia DeBarge is 22.
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