Britney Spears's New Album Is About 'Huge Breakup' with Jason Trawick

Her new song, “Work B––––,” is a dance anthem, but Britney Spears says her upcoming album, which is due out in December, features more than a little heartbreak.

Britney Spears & Jason Trawick Split: Will She Be Okay?

The new year has already been full of change for Britney Spears.

She’s left her gig as judge on The X Factor, her new puppy Hannah is gravely ill, and on Jan. 11 she announced she and fiancé Jason Trawick, 41, have called it quits after more than three years together.

Jason Trawick Will Still 'Be Involved' in the Lives of Britney Spears's Sons: Source

Britney Spears and Jason Trawick have ended their relationship, but the pop star’s ex is still planning to be a part of her life.

“Jason adores [Britney’s] kids; he loves them,” a source tells PEOPLE. “He was like their ‘other dad,’ so he’s not just going to walk away from their lives. He’ll be involved as much as makes sense.”

Britney Spears Dreamed of a Wedding, But the Ring Was Off Before the Holidays

Britney Spears once believed in a fairy-tale ending for herself and Jason Trawick. But by mid-December, she was no longer wearing her engagement ring, and she knew it just wasn’t going to happen, a source close to her family tells PEOPLE.

“Britney spent Christmas in L.A. with [sons] Preston and Jayden. Jason was around for parts of the holiday, but it was very obvious that they were not really together anymore,” the source says.

Britney Spears Steps Out in 'Love' Sweatshirt after Split

Britney Spears still believes in “love” – at least when it comes to wearing it.

The pop star, 31 – whose failed engagement to Jason Trawick, 41, was announced on Friday – grabbed coffee in L.A. on Monday, sporting a black and white sweatshirt with the four-letter word displayed in large letters across the front.

Britney Spears & Jason Trawick Split: What Went Wrong?

Britney Spears and Jason Trawick mutually ended their engagement Friday, just over a year after he popped the question to the pop star in Las Vegas.

So what was behind the pair’s decision to call off their engagement? According to a close source, Spears, 31, and Trawick, 41, both wanted “different things.”

Jason Trawick Resigns as Britney Spears's Co-Conservator

With their breakup comes the end of another kind of arrangement.

Jason Trawick has resigned as Britney Spears’s conservator of her person, which once gave him the authority to make decisions about her general well-being, such as food, clothing, travel and medical care.

“The court accepts the resignation [of Trawick],” L.A. Superior Court Judge Reva Goetz stated in court Friday. Goetz added that the singer’s father, Jamie Spears, “will remain as the sole conservator of her person.”

Britney Spears and Jason Trawick Split

It’s official: Britney Spears and Jason Trawick have called it quits.

“Britney Spears and Jason Trawick have mutually agreed to end their one-year engagement,” her rep Jeff Raymond tells PEOPLE exclusively.

“As two mature adults, they came to the difficult decision to go their separate ways while continuing to remain friends.”

Spears and Trawick confirmed their parting in a statement her rep released to PEOPLE.

Britney Spears: The 3 Most 'Amazing' Things About My Year

It was a very big year for Britney Spears, who’s been named one of PEOPLE’s 25 Most Intriguing People of 2012.

For starters, Forbes put the pop star at the top of its list of the top-earning female musicians (with $58 million), and her new single with, “Scream & Shout,” went to No. 1 in 17 countries.