"So I love oils ... I feel like oils are something that's easy. And I'll do anything from Sunday Riley to whatever I find at Whole Foods. I'm honestly not picky, as long as it soaks in and doesn't make me look greasy."

Underwood adds that Weleda popular rich Skin Food Cream is a "good moisturizer." "It's not even expensive, but it's easy, you can kind of find it anywhere and it does a good job."

Beauty Must-Have "Almay's Smart Shade CC Cream. It's super easy to use."

One of the favorite perfume

"Nothing can beat a nap to help you look and feel fresh, but when that isn’t possible, a few minutes with a good eye mask can help!" said Underwood, who loves Shiseido eye masks.