Davidson got a matching neck tattoo that his fampus girlfriend already sports.
The 24-year-old comic got a tattoo of the phrase 'Mille tendresse,' a French expression meaning 'a thousand tendernesses.'
The expression was made famous by the classic 1961 film, Breakfast At Tiffany's.
Ariana, 25, got the same tattoo back in 2014, but her fiance just recently got the matching tattoo.
The singer has added to her collection since she started dating Davidson earlier this year.
In addition to their H2GKMO tattoos the pair have matching heart tattoos on their fingers and both have Pete's father's FDNY badge number 418 on their skin.
RadarOnline.com recently revealed that Grande has been getting intense therapy after the death of her ex-boyfriend Mac Miller.
And she has been reaching out to his family to help them cope with the shock loss.
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