Artists, related with Katharine Mcphee
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Alexandra Burke
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Allison Iraheta
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Aly & Aj
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Anastacia
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Anna Nalick
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Ashlee Simpson
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Ashley Tisdale
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Barbra Streisand
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Carrie Underwood
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Cassadee Pope
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Charice
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Cheryl
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Cheryl Cole
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Christina Aguilera
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Christina Milian
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Ciara
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Clay Aiken
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Colbie Caillat
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Dami Im
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Danity Kane
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David Archuleta
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David Cook
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Delta Goodrem
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Diana Vickers
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Ella Henderson
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Elliott Yamin
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Emma Bunton
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Faith Hill
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Fantasia
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FEFE DOBSON
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Girls Aloud
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Haley Reinhart
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Hilary Duff
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Idina Menzel
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Jennifer Hudson
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Jennifer Lopez
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Jennifer Love Hewitt
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Jennifer Paige
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Jesse Mccartney
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Jessica Mauboy
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Jessica Simpson
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Jessie James
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Jojo
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Jordin Sparks
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Karmin
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Kat Deluna
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Kat Graham
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Kate Voegele
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Kellie Pickler
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Kelly Clarkson
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Kelly Rowland
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Keri Hilson
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Kris Allen
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Kristinia Debarge
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Lauren Alaina
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Lea Michele
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LeAnn Rimes
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Leighton Meester
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Leona Lewis
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Lindsay Lohan
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Mandy Moore
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Mariah Carey
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Marie Digby
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Martina Mcbride
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Melanie C
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Michelle Branch
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Mya
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Nadine Coyle
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Natasha Bedingfield
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Nick Lachey
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Nicola Roberts
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Nicole Scherzinger
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Paris Hilton
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Pixie Lott
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Rachel Platten
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Rebecca Ferguson
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Ryan Cabrera
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Samantha Jade
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Sara Bareilles
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Shania Twain
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Shontelle
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Stacie Orrico
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Sugababes
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The Pussycat Dolls
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The Saturdays
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Tina Arena
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Toni Braxton
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Tori Kelly
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Vanessa Carlton
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Vanessa Hudgens
