David Foster and Katharine McPhee Open Up About Newborn Son (Exclusive)

etonline.com:

David Foster and Katharine McPhee enjoyed a little kid-free date night at Clive Davis' 90th birthday celebration. ET spoke to the couple at legendary music producer's birthday bash Wednesday night, where they opened up about life with a one-year-old.«It's great.

It's the best,» McPhee gushed. «She's a fantastic mother,» Foster added. «An amazing mother, and we are having the best time.»The pair welcomed their son, Rennie, last February, and while being a new mom has been «so much fun» for the actress, she admitted that it's had its «rough» moments.«Having so much fun, it's just great being a mom.

I love it, absolutely,» McPhee maintained. «I mean, last night was a little rough, the time...he was up and then you know, when you're traveling with the kid, you have your moments where you get over-tired and frustrated, but it's just so precious because it's just a moment in time that is not going to last forever, so, in my perspective I just cherish.»«She let him cry for three hours,» Foster joked. «You know, tough love.

Tough love,» McPhee quipped.While it is a fun, date night out for the pair, Foster is also working as one of the night's co-hosts, helping Davis ring in the big 9-0.«I'm cohosting tonight,» Foster shared.