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Ashlee Simpson, Evan Ross

Cousart/JFXimages/WENN.com

Parenthood seems to be blissful for these two lovebirds.

Just weeks after confirming that Ashlee Simpson Ross and Evan Ross have welcomed baby girl Jagger Snow Ross together, E! News learns that the pair are doing very well and that their little daughter is quite the cutie (although we could've guessed that part).

"Ashlee and Evan couldn't be happier," a source tells us.

"Right up until Ashlee gave birth Evan was playing shows quite frequently, working hard on his album but since Jagger was born he's put his music on hold and has been spending most of his time with Ashlee and the newborn. Only family and a few friends have seen Jagger but they say she's adorable."

The 30-year-old gave birth to a daughter, her second child and her first with Evan, 26, in late July. The baby joins big brother Bronx, 6, whose father is the singer and actress' ex-husband and Fall Out Boy rocker Pete Wentz, 36.

"We are overjoyed about the birth of our precious baby girl Jagger Snow Ross," read a message posted on Ashlee and Evan's Instagram pages.

"The couple had their minds set on this name for a long time," a source told E! News exclusively. "They wanted something fun and different."

The duo wed almost two years ago at the estate of Evan's mother, legendary singer Diana Ross, 71, who also officiated the ceremony.

"I've never met a person in my life that makes me feel, you know, so content and supportive of what I'm doing and I'm supportive of what she's doing and two creative people that just want to be creative around each other, it's brilliant," Evan told E! News.

"We understand each other and we care about the same things and we look out for each other the same kind of way."