On the occasion of her 55th "Anniversary," Mariah Carey celebrates on a boat.

The mysterious chanteuse posted a photo of herself reclining on a luxury boat in a shimmering blue gown with her wavy blonde hair in a ponytail on Instagram on Wednesday (March 27).

The photo, captioned "Anniversary adventures commence," can be seen here.

Carey shared a fan account's tweet last year utilizing a rediscovered interview, explaining her birthday views: I have no birthdays.

I just have anniversaries. I chose that. Without birthdays, people don't have them, I've noticed."

The singer will return to Las Vegas for the third time this spring with her The Celebration of Mimi residency at Dolby Live at Park MGM from April 12 to 27.

The gigs will celebrate her fan-favorite album, The Emancipation of Mimi (released April 12, 2005), 19 years old.

Billboard reported that "the Las Vegas shows will feature fan favorites from that album as well as other hits from her unparalleled illustrious career.

." The Emancipation of Mimi, with singles like "We Belong Together" and "Shake It Off," was one of the year's best-selling albums and her "comeback album."

Select First sale of the newly announced OnePlus Watch 2 brings price down to $250, a $50 savingsFirst sale of the newly announced OnePlus Watch 2 brings price down to $250, a $50 savings 

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