As soon as I read in here it's Britney Jean, I immediately knew why before even watching the Capital FM Exclusive interview. If you remember on "Britney: For The Record," when she impersonated her dad, Jamie, she used "Britney Spears...BRITNEY JEAN"
Like she mentioned, it's definitely used in her family as a name of endearment.
It was about time for her to do another self-titled album. Janet did it, and so did Kylie I believe. A self-titled album would finally remind people that she's no longer the Britney Spears everyone grew up with but a more mature, responsible woman (who can still have fun). Britney then and Britney now are two completely different identities, yet people are still stuck with the Britney they knew then.
Barbra Streisand - she has like 20 albums with 'Barba' in the title
Whitney Houston - Whitney/Just Whitney/Whitney Houston
Janet Jackson - janet./Janet Jackson/Damita Jo
Kylie Minogue - Kylie Minogue/Kylie
Britney Spears - Britney/Britney Jean
At first I didn't love it but now I do love it! And it totally makes sense to be called that way, makes it even more personal for her. When she says this will be her most personal album yet, I believe her!