Miley Cyrus, Honey Boo Boo Mama June Twitter PHOTO: 'We Can't Stop' Songstress Meets Infamous Reality Star, Tweets 'I'm Obsessed!' Hilarious Alana Thompson Impression [VIDEO]

Miley Cyrus ran into infamous "Here Comes Honey Boo Boo" reality star "Mama" June Shannon on the NYC set of "Good Morning America" earlier this week... and the "We Can't Stop" songstress was totally starstruck! The 20-year-old superstar is a HUGE fan of the hit, southern-styled TLC series... and she's pretty good at impersonating the young and rambunctious wannabe pageant queen Alana "Honey Boo Boo" Thompson! After meeting Mama June, Cyrus tweeted, "I'm obsessed!"

On Monday (July 15), Cyrus tweeted:

@MileyCyrus: "GMA ❤❤❤."

She followed-up that simple post with:

‏@MileyCyrus: "I'm obsessed."

Over 15,000 fans have already "liked" the image. Mama June's lookin' good!

Cyrus also tweeted some "Here Comes Honey Boo Boo" pride:

@MileyCyrus: "#amenalana."

Cyrus admits that she's a diehard fan of the "Here Comes Honey Boo Boo" crew... although her fiance Liam Hemsworth doesn't necessarily agree. Check out Cyrus' amusing impression of Honey Boo Boo on Chelsea Lately from back in October:

A special "Here Comes Honey Boo Boo: Scratch N' Sniff" event airs on TLC on July 17. Don't miss it.