David Foster had some feelings after Katharine McPhee shared their newborn son's name. The same week that McPhee revealed she and her husband named their baby boy Rennie David Foster, the Country Comfort star shared why doing so «annoyed» her husband.McPhee, who gave birth in February, spilled the beans while on the show, after host Hoda Kotb asked her about her son's moniker.«My husband was kind of annoyed.