Lady Gaga just got her 17th tattoo.

The body art enthusiast only gets inkings on the left side of her body - and it seems she might be running out of room.

Gaga shared a video on Instagram which showed her having her latest design etched onto her armpit.

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Adding to her impressive collection: Lady Gaga got her 17th tattoo on Tuesday, and shared the experience on Instagram

The singer's new tattoo is a tribute to her fans, and has a paisley design in purple ink across her underarm, with the words 'Mother Monster' below it.

Mother Monster is Gaga's nickname for herself - while her legion of admirers are known as her Little Monsters, a phrase she already has inked onto her arm.

The 28-year-old decided to get the new body art on Tuesday night because it marked the fifth anniversary of the release of The Fame Monster, the reissue of her debut album The Fame.

For her fans: The singer had 'Mother Monster' and a paisley design inked in purple onto her armpit

Almost there: The words on the elaborate inking were then traced over with black ink

'Happy Birthday The Fame Monster,' Gaga wrote alongside the close-up video.

She also shared a photo which showed her topless, while protecting her modesty with her arm, as friend and tattoo artist Eric Gonzalez got to work, and captioned the shot: 'Monster4Lfe.'

Gaga is currently in the UK where she threw a party on Monday night at Manchester's All Star Lanes to celebrate the upcoming finale of her artRAVE: The ARTPOP Ball in Paris later this week.

Protecting her modesty: Gaga was topless while her tattoo artist and friend Eric Gonzalez got to work

Is she running out of space?: The 28-year-old only gets tattoos on the left side of her body to respect her father's wishes

And of course the eccentric star - whose real name was Stefani Germanotta - was going for a very bizarre look in a completely sheer green dress, a black bustier, knickers and stockings, and wacky make-up.

Gaga has said that she only gets tattoos on one side of her body to respect her dad's wishes, revealing during a Q&A with Google in 2011: 'My father asked that I remain on one side slightly normal. So I only have my tattoos on my left side. He's asked I don't have any more on my right side.'

The Applause hit-maker added: 'I think he sees that as my Marilyn Monroe side,' while calling the inked half of her body her 'Iggy Pop' side.

Worth the pain: She continued to post photos for her tattoo session writing, 'and paw touch ups with @nspired1 HausWork'

All done! To celebrate her new ink she recalled one of her favorite lyrics, 'You hurt me to my soul, darlin please don't go'