HOLLYWOOD, CA - FEBRUARY 24: Singer Adele performs onstage during the Oscars held at the Dolby Theatre on February 24, 2013 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
might be making her long-awaited return to music.

The “Rolling in the Deep” singer set off alarm bells on Twitter Sunday evening when she posted a photo of herself with an intriguing caption, according to “Billboard.

Monday marks Adele’s 26th birthday, and though she’s leaving “25” behind, the star is famous for naming her albums after the age she was when she wrote them.

Though her debut “19” was a moderate success, “21” catapulted her to international superstardom, being certified Diamond in the U.S. and selling more than 26 million copies worldwide.

Since then, she has focused on her family, welcoming a baby boy named Angelo in the fall of 2012, though she won an Oscar for the theme to the Bond film “Skyfall.”

A rep for the star declined to comment to “Billboard,” but be on the lookout for some kind of announcement in the near future.

Do you like that Adele seems to be enjoying her age-themed record names or do you wish she’d shake it up? Sound off in the comments!

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