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Miley Cyrus is known to really let it all out there on Instagram, whether it's topless photos, her food cravings or an insinuation regarding drug paraphernalia.

But, on Jan. 15, she aired out one other thing -- her love of her boyfriend Patrick Schwarzenegger.

RELATED: Miley and Patrick heat up in Miami

While posting a photo in a black sweatshirt -- an apparent gift from her beau -- Miley called Patrick the best boyfriend ever! She also posted an emoji of a gift-wrapped heart. The couple has been dating since November.

RELATED: Is Miley's brother dating Patrick's sister?

The sweatshirt that got Miley wearing her heart on her long sleeve read "I'm in love with the coco," which references rapper O.T. Genesis's ode to cocaine.

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The Kennedys must be so proud.