EXCLUSIVE: Drew Barrymore Talks Motherhood, Getting Her Kids' Names Tattooed on Her Wrist: 'They Are My Joy'

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The most important thing in Drew Barrymore’s life these days are her two daughters – Olive and Frankie. But focusing on them also means focusing on work, the actress explained to ET at Safe Kids Day on Sunday.

“I think it’s good to show my kids I’m passionate and have a good work ethic and that you have to earn what you have in this world,” she told ET. “[Motherhood’s] just made me such a better person. I always love and try to live on the high road. I think you feel best when you behave or react or come from the high road place. And my kids have elevated that for me in a way that is indescribable.”

RELATED: Drew Barrymore Gets a Wrist Tattoo in Honor of Daughters Olive and Frankie

In fact, Barrymore adores her little girls so much that she recently got their names inked on her wrist. It happened one day when she was in yoga class and spontaneously decided to honor her daughters, though she told ET that she’d “wanted to do it for a while.”

“They’re my favorite people on the planet, and just seeing it every day makes me happy,” she said. “Always remember what’s important and that joy is in everything… they are my joy.”

The proud mom recently celebrated her daughter Frankie’s second birthday with a blow-out party. She offered up a photo booth where families could pose for a flip book, a very crafty balloon man (“he built bicycles for the kids!”), and a cake from Frankie’s favorite bakery, Sweet Lady Jane.

RELATED: Drew Barrymore and Husband Will Kopelman Split After 3 Years of Marriage

“The whole family was there and all the in-laws and all of Olive’s friends from school,” Barrymore said. “It was awesome.”

The Blended actress split from husband, Will Kopelman, earlier this month after three years of marriage. A source previously told ET that the couple had been talking about a separation since last October.

Barrymore is a longtime supporter of Safe Kids Day. The event brings together families to raise awareness and funds to prevent childhood injuries. At the event, kids had fun with face painting, snacks and treats, dancing and more.