Katharine McPhee and David Foster's adorable son Rennie ... News, McPhee opened up about her pregnancy and postpartum experience, admitting that she had a "love-hate relationship" with pregnancy ...

RELATED VIDEO: Katharine McPhee and David Foster Open Up About Their Love: ‘It Doesn’t Make Sense to A Lot of People But It Does to Us’ And she hopes that the pregnant Duchess of Sussex ...

Katharine McPhee Shares Throwback Pregnancy Photo as She Gets Ready for Son Rennie's 4th Birthday: 'Where Does the Time Go?' Katharine McPhee Has Smash Reunion with 'Beautiful Friend' Megan Hilty ...