The musical couple returned to the stage in Italy two weeks after the shocking death of their son's nanny.
A source tells ET, 'David and Kat are willing to do anything they can for their former nanny's family during this very difficult time.'
The cause of death for Katharine McPhee and David Foster's nanny has been revealed.
The 'American Idol' alum announced she would be leaving her tour due to a 'horrible tragedy' in her family.
Katharine McPhee announced on Friday that she would miss the final two shows of her tour due to a family tragedy.
The couple were performing together on the 'Hitman' tour in Asia.
Katharine McPhee and David Foster show off their 2-year-old son Rennie's impressive drum skills in a new video on Instagram.
The talented kiddo showed off his impressive skillset on his composer dad's Instagram.
The happy couple opened up to ET about their 1-year-old son's love of drums and their forthcoming projects.
The 16-month-old is developing an early love of music, just like his parents.
ET chats with Pat Houston, Suzanne Somers and more at Clive Davis’ 90th birthday celebration.
Katharine McPhee gets honest about motherhood and opens up about her 1-year-old son, Rennie, with husband David Foster.
'Stop being so offended by what people post who have zero impact on your life,' the singer-actress wrote.
The lovebirds were unmasked as Banana Split on Wednesday's Group B finals and they spoke with ET about their experience.
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