Miley Cyrus and Patrick Schwarzenegger are pretty close and now the couple is reportedly thinking about getting matching X-rated tattoos to solidify their relationship.

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The couple has been inseparable since they got together it seems. As of lately, they spent time with Cyrus' family for her younger sister Noah's birthday for instance.

Cyrus' mom Tish shared a photo on Instagram Friday from Noah's birthday celebration, which revealed Cyrus and Schwarzenegger looking pretty cozy.

 Happy Birthday @noahcyrus!! #friends #family #greatnight

A photo posted by Tish Cyrus (@tishcyrus) on Jan 8, 2015 at 10:34pm PST

 

Miley Cyrus & Patrick Schwarzenegger Rang In 2015 Together

Noah also revealed images from her birthday celebration on Instagram Friday, which included silly photo booth snaps with her older sister and Schwarzenegger.

Noah even thanked Schwarzenegger in the caption, which further proves how involved he is with Cyrus if her younger sister is thanking him for spending time with her for her birthday and getting her "the most adorable necklace."

Now Hollywood Life reported on Friday that the couple is seriously contemplating getting matching X-rated tattoos.

A source revealed to the site that the pair is crazy about each other.

"It's not a one way street, he's into her big time. Her wild side does not turn him off. It's to the point where he's getting wilder, he's expanding that side of him," the source dished.

The source added the X-rated tattoos are all Schwarzenegger's idea too. "He's actually gone so far as to tell her that he wants them to get matching tattoos, below the belt, if you know what I mean," the source said, adding, "It's so X-rated and of course she's totally down for it!"

The source also mentioned Cyrus and Schwarzenegger are still hashing out design ideas and shared that "when it happens it'll be a spur of the moment thing but it's a big sign that he's not as straight edge as he might seem and that he's serious about her."