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Drew Barrymore loves being a mom times two. 

"I just think it's even better!" the 40-year-old beauty gushed to E! News in Los Angeles on Sunday at an event benefitting Safe Kids Worldwide when asked how parenting is different now that she has two kids. "Your heart just grows bigger. And you worry, ‘Oh gosh how am I going to split my love?' And there's just so much to give it's not a worry." 

The actress welcomed daughter Frankie, her second child with husband Will Kopelman just over one year ago. The happy couple is also parents to three-year-old daughter Olive. 

VIDEO: Drew Barrymore shares tips for balancing work and family life

Drew Barrymore, Frankie

Instagram

"Safe Kids has really changed my life in the way that I have information that is crucial to keeping my kids safe," Barrymore revealed, sharing her support for the organization. "Whether it's 'When do you change the car seat to rear facing to front facing? Or you don't leave the pan handle where your kid can grab it, you never take your eyes off your kid in the bathtub' and these are not things that I think girlfriends are not always chatting about."

She added: I think it's so important to know everything and then the fun ensues. Worry without knowledge is bad worry." 

Most recently, Barrymore celebrated her youngest child's first birthday with a party at the family's Los Angeles home. "We actually had a party for her because funny enough, for all the kids' birthdays we were always traveling…so this one was actually at home and it felt very traditional," the doting mama shared "This year I did the Magnolia Bakery cupcakes and we got the "Let's be Frank" hot dog trunk and put an 'i-e' at the end for "let's be Frankie." 

VIDEO: Drew Barrymore reveals her daughter Olive's first word

Fashion Police, Drew Barrymore

Jon Kopaloff/FilmMagic)

Birthday parties aside, Barrymore also expressed her excitement for the birth of Kate Middleton's second child and couldn't help but share her admiration for the duchess. 

"I love Kate Middleton, too, by the way," she gushed before she was asked to share any parenting tips. "She's so full of grace I'm sure she will be absolutely fine."

PHOTOS: Take a look back at Drew Barrymore's maternity style