December 04, 2014 04:56 PM

Courtesy Britney Spears

Britney Spears‘s new beau is definitely a keeper.

Not only has writer and producer Charlie Ebersol received the Spears family stamp of approval, but he also went the extra mile by personally designing a cake for the singer’s 33rd birthday on Tuesday.

“Charlie really wanted to design something for her and it was all him,” a source tells PEOPLE. “He thought of it all from beginning to end.”

RELATED: Britney Spears Treated Her ‘Piece of Me’ Dancers to an Epic Italian Meal

Ebersol, 31, enlisted the help of the Los Angeles do-it-yourself cake decorating studio, Duff’s Cakemix, to create the pink, black and gold confection which featured the owner of the studio and Ace of Cakes star Duff Goldman‘s confetti cake mix and vanilla buttercream frosting.

Courtesy Britney Spears

“It’s a really fun celebration cake,” says the source. “He really did put a lot of time and thought into it and it was very sweet. He’s a good boyfriend.”

And it seems Spears was thrilled by his efforts.

“Couldn’t have wished for a better birthday yesterday… Hello, 33! #Club33,” she tweeted.

RELATED: The Sweet Story Behind Katy Perry’s Cake-Filled Music Video

—Ana Calderone, @anacalderone

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