Ashlee Simpson Says She 'Definitely' Wants More Kids

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Ashlee Simpson is already the mother of two adorable children, but that doesn't mean the singer is done expanding her family.

The 31-year-old musician, and younger sister of Jessica Simpson, recently spoke with People where she revealed that she "definitely" wants to have more kids.

"Not right now, but maybe sometime in the next year," she shared.

WATCH: Ashlee Simpson Shares Rare Photo of Her Gorgeous Kids -- See How Grown Up Bronx Is!

Simpson gave birth to daughter Jagger Snow, her first child with husband Evan Ross, in July, and is also the mother to 7-year-old son Bronx Mowgli, from her previous marriage to Fall Out Boy bassist Pete Wentz.

Last week, Simpson shared a super sweet photo of her two cute kids to Instagram for Mother's Day, which she captioned, " THESE 2 are making me feel real special today!"

PHOTOS: Stars Share Pics of Their Cute Kids

Ross, who tied the knot with Simpson in August 2014, opened up to ET last September, less than two months after welcoming his daughter, about how his family and his marriage has changed his life.

"The biggest thing in this world is love," Ross said. "I'm so in love. I love my daughter, I love my wife. She's given me the best gift in the world. I'm very lucky."

WATCH: Jessica Simpson's Son Ace Adorably Cradles His Cousin Jagger

The 27-year-old actor couldn't contain his excitement about fatherhood, gushing about his baby girl, "She's the most beautiful thing you could ever think of." Check out the video below to hear more.