Maddie Briann entered the world with a full head of hair, her daddy’s toes and the world’s most famous aunt waiting just outside the door.

New mom Jamie Lynn Spears, daddy Casey Aldridge and baby Maddie are catching up on rest following the birth Thursday at a hospital in McComb, Miss., near the Spears family home across the state line in Kentwood, La., a source tells PEOPLE.
“They’re doing terrific,” the source says. “The baby’s got 10 fingers and 10 toes … and a full head of hair. She’s long, a tall baby, and she weighs 7 lbs, 11 oz.”

When the baby was born at about 9:30 a.m., Jamie Lynn’s sister, Britney Spears, and the rest of the Spears and Aldridge families were just outside the birthing room in the spacious maternity suite.

The relatives then joined the new family in the birthing room and took turns holding Maddie Briann and commenting on her features. When new grandmother Joyce Aldridge held the baby, she remarked that Maddie “has Casey’s toes,” the source says.

Jamie Lynn, 17, and Casey, 19, intend to get married soon, but no date has been announced. Jamie Lynn recently purchased a home in

A day after her sister Jamie Lynn gave birth to a baby girl, a serious-looking Britney Spears returned to Los Angeles on Friday to a crush of rowdy paparazzi at the airport.

After the group – consisting of Spears, assistant Brett, father Jamie and bodyguards – made their way down a terminal escalator, Jamie Spears pushed photographers out of the way. Britney, wearing sunglasses, was bumped several times.

Hours earlier, the pop singer gave a tearful goodbye to family at the New Orleans airport after being on hand for the birth of her niece Maddie Briann. On the plane, Spears kept to herself in first class on the Delta flight, which also included celebrity passenger Amanda Bynes.

“Britney didn’t seem happy and was mostly resting,” says a Meredth Wood, a fellow passenger. “She kept her sunglasses on for most of the flight.”

Britney Spears has a tearful goodbye with her family as she left her hometown of Kentwood, Louisiana the day after younger sister Jamie Lynn gives birth to a daughter, Maddie Briann.

Spears, 26, is likely on her way back to her home in Beverly Hills. (The singer is currently at work on a new album, her vocal producer and co-writer Jim Beanz confirmed exclusively to Usmagazine)

Maddie Briann was born Thursday weighing 7 lbs., 11 ounces. She is the first child for Jamie Lynn, 17, and fiance Casey Aldridge.

“I’m sure the baby’s beautiful, and I’m so glad everybody’s healthy and doing well,” cousin Alli Sims told Us an after-party for Wanted in Los Angeles on Thursday.

“I just wish them all the happiness in the world,” she said. “I know they’re going to have so much fun.”

Britney Spears is currently at work on an upcoming album, her vocal producer and co-writer Jim Beanz confirms exclusively to Usmagazine.

“Britney is amazing,” Beanz tells Us.

The singer, 26, has had her share of drama, but “we never see anything but positives out of her.

“Everyone has personal stuff, but a true professional doesn’t bring it into the studio,” he adds.

In April, her former manager Larry Rudolph told Us that Spears — who is currently in Kentwood, celebrating sister Jamie Lynn’s new baby girl Maddie — had gone into the studio “just for fun.”

Added Rudolph, “she is on the right path.”

Spears’ last album, Blackout, debuted at No. 2 on the U.S. Billboard 200. The first single “Gimme More” was her most successful single in the U.S. since “…Baby One More Time.”

Tell Us: What’s your favorite Britney song?

Britney Spears “intends to return to Louisiana,” her mom Lynne says in a declaration to the L.A. Superior Court filed Tuesday obtained by Joynews.

“Britney has spent a majority of her time over the last five years in the state of California due in part to work but primarily with respect to a custody dispute currently ongoing,” Lynne explains.

Britney’s ex Kevin Federline has primary custody of their two young children, Jayden James and Sean Preston.

At Tuesday’s hearing, the court commissioner granted Britney’s father Jamie permission to sell the singer’s six-bedroom home in Beverly Hills, CA. (Because her father is her co-conservator, the decision to sell the home required a court’s approval.)

Though she has spent most of her time in Beverly Hills, Britney has owned a home in their hometown of Kentwood, Louisiana for the past eight years.

Britney and Jamie flew to Kentwood Wednesday for the birth of Britney’s younger sister Jamie Lynn’s baby, Maddie Briann, Thursday.

Tell Us: Should Britney move back to Kentwood?

Jamie Lynn Spears has given birth, a source tells Joynews.

Daughter Maddie was born Thursday at Mississippi Southwest Regional Medical Center in McComb, Mississippi.

Maddie weighed 7 lbs., 11 ounces.

This is the first child for 17-year-old actress and her 19-year-old fiance Casey Aldridge, a pipe layer.

On Wednesday, sister Britney and dad Jamie flew from L.A. to their hometown of Kentwood, Louisiana as Jamie Lynn prepared to give birth.

The Zoey 101 star – who announced she was expecting at 16-years-old with Aldridge’s baby in December (they sold the story for $1 million) – spent her pregnancy in Kentwood and McComb.

“She’s now really excited, so I’m proud of her,” pal Miley Cyrus has told Joynews.

Before her pregnancy, Jamie Lynn told Us of having kids, “Whatever happens, happens, I guess. You can’t really say what is going to happen.”

In May, Britney and mom Lynne attended her baby shower at the family’s Serenity mansion in Kentwood.

Jamie Lynn and Aldridge got engaged in March and have delayed their wedding until after the birth of their child. At the time, Jamie Lynn wore a T-shirt emblazoned with the phrase “The Rumors Are True” while she flashed her engagement ring.

In April, the couple celebrated Jamie Lynn’s 17th birthday together while her parents looked after Britney in L.A.

Jamie Lynn passed her GED in February. She has said it “would be fun” to attend Louisiana State University.

Tell Us: Do you think Jamie Lynn and Casey will be good parents?

Britney Spears touched down in her hometown of Kentwood, Louisiana, on Wednesday, to be with her sister, Jamie Lynn, when she gives birth, according to People.

Britney was photographed catching a flight at LAX early in the day on Wednesday, where she boarded a plane bound for Louisiana.

Also joining Brit on the plane was her father, Jamie, brother Bryan and her assistant, Brett, People reported.

The family’s arrival comes in anticipation of 17-year-old Jamie Lynn giving birth to her first child, which is due this summer.

In December, a rep for Nickelodeon confirmed the “Zoey 101” star was expecting.

“We respect Jamie Lynn’s decision to take responsibility in this sensitive and personal situation. We know this is a very difficult time for her and her family, and our primary concern right now is for Jamie Lynn’s well being,” the network said at the time.

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Lynne Spears, mom of Britney and Jamie Lynn, will be releasing her personal memoirs this fall, the book’s publisher told People.

“Through the Storm: A Real Story of Fame and Family in a Tabloid World” will chronicle Lynne’s raising of her two daughters in the spotlight.

The book is due out in September.

“When Jamie Lynn got pregnant, it was put on hold,” a rep for publisher Thomas Nelson Inc. told People. “Lynne never stopped working on it because she wants to express her love for her children and tell their stories through a mother’s eyes.”

Based in Nashville, Tenn., Thomas Nelson Inc. also publishes Bibles, Christian fiction and nonfiction books and children’s books.

However, don’t look for any mothering tips from Lynne in her memoirs.

“[It] will not be a parenting book,” the rep added. “It’s [Lynne’s] story of what it was like being a mom and raising two very famous people. It’s a memoir.”

Copyright 2008 by NBC Universal, Inc. All rights reserved.
This material may not be published, broadcast, rewritten or redistributed.