Jessica Simpson Welcomes Baby Girl

5/1/2012 12:28pm EDT

Jessica Simpson

Jessica Simpson has become a May Day mom - she's given birth to a baby girl.

The singer-turned-fashion designer and her fiancé Eric Johnson welcomed daughter Maxwell Drew Johnson at a Los Angeles hospital on Tuesday morning.

Simpson's mother Tina and her singer sister Ashlee were both on hand for the baby's arrival, according to

The little girl weighed in at nine pounds and 13 ounces, reports

Simpson confirmed her pregnancy news on Halloween after months of speculation about her expanding baby belly.

The newborn is both Simpson and Johnson's first child

Photo Credits: PR Photos ,

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