There's one thing Taylor Swift isn't talking about

• Taylor Swift is officially a billionaire, thanks in part to her lucrative Eras tour.
• But unlike some other celebrities, Swift hasn't commented on her financial status.
• The pop star's decision to not flaunt her wealth is another genius business move. 

One look at Taylor Swift's Instagram profile and you know she's had a great few months: There are pictures of her latest rerelease, "1989"; snaps from the red carpet movie premiere for "Taylor Swift: The Eras Tour"; and, of course, plenty of montages from the actual Eras Tour, which kicked off in March and won't end for another year. In the real world, she's been showing off her new beau, Travis Kelce, and showing up some of her former paramours.

There's one thing she's not showing off — or at least not directly: How much money all this is making her.

Last week, Bloomberg declared that Swift is "officially" a billionaire. The chronicler of wealth pegged Swift's net worth at $1.1 billion based on the aggregate value of her music catalog; earnings from touring and streaming; her real estate portfolio; and royalties from music sales.

But unlike other celebrities who appear to brag about their riches — think Jay-Z rapping about putting "a billion on the board" or Kylie Jenner posing for a Forbes cover on her billionaire status — Swift hasn't said a thing about her wealth. Her camp did not reply to Bloomberg or Insider's requests for comment.

Similarly, she hasn't released information on the Eras Tour's ticket sales, which Pollstar has estimated will conservatively reach $1.4 billion, making it the best-selling tour of all time and first to gross over $1 billion. While she's posted on social media about her film, she hasn't mentioned its record box-office sales either (which AMC's Adam Aron, by contrast, has repeatedly touted).

The reason likely comes down to Swift's brand, something she's carefully molded over the past two decades.

While some have called her calculating — a criticism that's garnered allegations of sexism — her silence on her wealth is simply good business.

Swift has been through many eras, but her reputation has always been one of relatability. Swift has never seemed to care about being cool or untouchable. Instead, she's garnered legions of female fans thanks to her vulnerable anthems around heartbreak, the fact that she seems to care a lot, and her message of empowerment against corporate behemoths.

She's never one to parade around in fancy cars and isn't too good for some "seemingly ranch." Swift's private jets have made headlines, but her reps have said she often lends them out to her friends.

As Kelce's dad recently said: She's a "down-to-earth young woman." Or at least she presents that way.

What wouldn't be relatable? The fact that Swift's net worth is bigger than some countries' GDPs.

Through her tour, Swift has earned hundreds of millions of dollars on a show for which tickets at face value cost an average $254 in the US — more than double the average concert ticket price of $120, according to Pollstar. Many Swift fans paid much more, some in the thousands, for tickets on the secondary market — and then shelled out for expensive merch, like $70 hoodies.

Swift is vocal about taking on Big Machine and rerecording her music. What she doesn't go into detail about is exactly how much that catalog could be worth. Bloomberg says it could be as much as $1 billion.

And while the film version of her tour brings the concert experience to fans worldwide, including those who couldn't afford to attend, it is also making her a lot of money.

Of course, all of these moves are another type of girl power, and the fact that Swift is as much a business genius as she is a lyrical one should be celebrated. Her most genius move of all may be not talking about it.