X Factor's Nicole Scherzinger worries fans with protruding ribcage and ultra slim waist

Nicole Scherzinger showed off a startlingly slim waistline as she waved to crowds outside the ITV studios following Sunday night’s X Factor show.

Smartologie: Nicole Scherzinger for 'Shape' Magazine December 2011

X Factor judge Nicole Scherzinger goes wild for Sam Black

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Nicole Scherzinger displays her cleavage in bizarre creation at

Nicole Scherzinger - Pretty (Live on The X Factor USA)

X Factor USA: Nicole Scherzinger reveals her X-tra small waist in

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X Factor's Nicole Scherzinger gets viewers flustered in racy see

Nicole Scherzinger vows to put the sex back into X Factor as she

Nicole Scherzinger dazzles in midriff baring black bow on The X

INCREDIBLE Audition Makes Nicole Scherzinger EMOTIONAL

Nicole Scherzinger suffers embarrassing X-rated wardrobe

X Factor's Nicole Scherzinger gets viewers flustered in racy see

Nicole Scherzinger Nearly Flashes Her XXX Factor! - Perez Hilton