Ashlee Simpson and Evan Ross gave their Daughter the name Jagger Snow

Their small rocker! A couple Ashlee Simpson and Evan Ross, disclosed via Instagram the name of their newborn little girl on Friday, July 31.

“We are amazingly happy about the begging of life of our precious daughter Jagger Snow Ross,” “July 30, 2015 Ashlee & Evan.” They both posted it on their accounts.

Us Weekly corroborated just few hours earlier that Ashlee, 30, and Evan, the actor of the Broken Doll, 26, gave birth to their little Jagger Snow on Thursday night.

She will have enough of little friend to play with. Her well-known auntie, Jessica Simpson with her husband Eric Johnson, are parents of son Ace, 2, and daughter Maxwell, 3. She’s also happy to have Bronx, 6,  her big brother and famous to the whole world grandma —Diana Ross.

Ashlee told Yahoo that She is the greatest mother-in-law! News in February. "I have a wonderful new family so it's amazing."

Also she something added of Bronx: “He will be an excellent big brother, and he's an excellent cousin to Maxwell and Ace, so he's really nice with the kids. He shares and he shows them how to do stuff, so it's terrific.”

This is the first baby for their couple. Bronx is the son of Simpson and her ex-husband Pete Wentz. The Fall Out Boy musician saw son Saint Lazslo with girlfriend Meagan Camper in August 2014.