Katharine McPhee and David Foster attend the David Foster Foundation Gala: A Night On Broadway

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Katharine McPhee and husband David Foster were dressed to the nines as they attended an event for the legendary music executive's charitable organization on Saturday.The 38-year-old singer stunned in a black cutout gown while the 72-year-old 16-time Grammy Award winner looked sharp in a navy blue tuxedo when they walked the red carpet at theDavid Foster Foundation Gala: A Night On Broadway atHotel X Toronto.Katharine's structured off-the-shoulder dress featured a cutout across the bodice that provided a glimpse of the Scorpion actress's cleavage.

Looking sharp: Katharine McPhee and husband David Foster were dressed to the nines as they attended an event for the legendary music executive's charitable organization on SaturdayThe gown clung to Katharine's curves as she posed for photos next to her spouse of almost three years.

The American Idol runner-up accessorized with diamond chandelier earrings and a delicate diamond necklace and a matching bracelet.The Country Comfort star completed her elegant ensemble with black heeled sandals.

Night out:The 38-year-old singer stunned in a black cutout gown while the 72-year-old 16-time Grammy Award winner looked sharp in a navy blue tuxedo when they walked the red carpet at the David Foster Foundation Gala: A Night On Broadway at Hotel X Toronto Charitable mission:The producer's foundation raises money for families in his home country of Canada that have children in need of life-saving organ transplantsThe brunette beauty wore her golden-streaked locks down in loose waves and had on a glamorous palette of makeup including shimmery bronze eyeliner, black eyeliner, a rosy blush and a pale pink lipstick.David contrasted his tuxedo with a crisp white dress shirt and a black bow tie.The.