'Moon baby!' Ariana Grande proudly showcases her FOURTH tattoo... a crescent symbol on her neck

One Last Time is the title of her latest hit song, but the refrain does not seem to apply to her growing collection of tattoos. 

Indeed, Ariana Grande recently added a fourth piece of body art - a crescent symbol to her neck. 

The 21-year-old pop star shared an image of her new ink with her social media fans on Monday, tweeting: 'Moon baby.' 

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Reaching for the moon! Ariana Grande recently added a fourth piece of body art - a crescent symbol to her neck; she shared the image with her social media fans on Monday

Reaching for the moon! Ariana Grande recently added a fourth piece of body art - a crescent symbol to her neck; she shared the image with her social media fans on Monday

Tat's not all! The 21-year-old has so far revealed four pieces of body ink

Tat's not all! The 21-year-old has so far revealed four pieces of body ink

Her face is cropped out of the photo and her brunette locks are pulled away from her neck. The simple design is an outline of a crescent shape located under her left ear.

The Bang Bang singer likely turned to celebrity tattoo artist Romeo Lacoste for the artwork, who is the same designer of her first neck tattoo that she revealed on Instagram last year.

The artist has also inked her reality TV star brother Frankie Grande and Justin Bieber.

So tender: She showed off a newly etched quote 'Mille tendresse' - which translates to 'A thousand tendernesses' in March 2014

So tender: She showed off a newly etched quote 'Mille tendresse' - which translates to 'A thousand tendernesses' in March 2014

Showing off a newly etched quote on the back of her neck in March 2014, she captioned an Instagram photo: 'Not exactly the easiest spot to get a photo of on your own but nonetheless I am very happy. thank you again @romeolacoste.'

In the snap, the songbird revealed a quote from the 1961 film Breakfast At Tiffany's, 'Mille tendresse,' of which its translation means: 'A thousand tendernesses.'

The Florida-born beauty, who is of Italian descent, also has the word 'bellissima,' which is Italian for 'beautiful,' scrawled on the left side of her rib cage as a tribute to her grandfather who died of cancer in July last year.

Tribute: The songbird had 'Bellissima,' which translates to 'beautiful' in Italian on her rib cage last year

Tribute: The songbird had 'Bellissima,' which translates to 'beautiful' in Italian on her rib cage last year

Tattooed the amazing @arianagrande yesterday! You're awesome !

A photo posted by Romeo Lacoste (@romeolacoste) on

Two months later, the singer-actress dedicated the title track off her sophomore album, My Everything, during a performance at the Stand Up To Cancer program in September to honor of her late grandfather.

While recording her debut album Yours Truly in 2012 - which spawned her breakthrough hit The Way - she inked a heart shape on the second toe of her right foot.

Ariana's fourth and latest tattoo is certainly a cause for celebration, as she recently scored two Grammy Awards nominations at the 2015 ceremony in February, including Best Pop Vocal Album for My Everything, and her collaboration with Jessie J and Nicki Minaj on Bang Bang earned her a nod in the Best Pop Duo/Group Performance category.

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