It’s finally official — Miley Cyrus has joined Instagram!

“HAPPY BOY! Love having insta!” the 20-year-old singer captioned a cute photo of herself and her adorable pup Happy.

PHOTOS: Check out the latest pics of Miley Cyrus

“My 1st Instagram is dedicated to all my fans ? thank you for crowning me #1 Maxim Hot 100,” the singer captioned her very first photo.

If you’re on Instagram be sure to follow both Miley at @MileyCyrus and JJJ at @JustJaredJr!

TELL JJJ: Are you excited Miley finally joined Insta?

Miley Cyrus gives kisses to the newest addition to her canine family, Bean, in this cute pic from Twitter.

The 20-year-old actress/singer adopted the tiny pup from SPOT! Rescue and wrote, “Meet Bean .”

Miley added, “Bean is a little girl :) she is a chihuahua mix of some type :) she brought so much sunshine!!! I love my little bean so much.”

On Friday afternoon (January 4), Miley headed to the studio in Burbank, Calif., with Bean in tow.

“Trying on her big sis Lila‘s hand-me- downs so presh. get teary eyed everytime I hold her. She brings so much hope” Miley wrote.

Bean joins Floyd, Happy, and Mary Jane.

WHAT DO YOU THINK of Bean? How adorable is she?! 15+ pics inside…

Miley Cyrus hits up the Sigma Sound Studios on Tuesday night (December 18) in Philadelphia, Penn.

The 20-year-old actress is still working on her upcoming album, due out in 2013.

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Today (December 19), Miley was spotted out with pup Floyd and a friend while fiance Liam Hemsworth kept filming on his film, Paranoia.

“Floyd is feeling festive,” Miley wrote with a cute pic of Floyd.

Miley Cyrus goes incognito behind her sunglasses while taking her pup Floyd out for a walk on Tuesday afternoon (December 18) in Philadelphia, Penn.

The 20-year-old actress/singer is in town to spend time with fiancé Liam Hemsworth who is filming his upcoming flick Paranoia.

PHOTOS: Check out the latest pics of

The day before, Miley visited Liam on set where the couple was spotted taking pictures with waiting fans.

Earlier this week, Miley hit the stage at the 2012 VH1 Divas concert to perform her own rendition of “Rebel Yell” by Billy Idol in a studded leather ensemble.

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Miley Cyrus cuddles with an adorable puppy while shopping at pet boutique Spot! in Los Angeles on Monday afternoon (November 26).

The 20-year-old actress/singer joined younger sister Noah, who held onto their new dog Penny Lane, and mom Tish for a few puppy supplies before heading back home.

“@noahcyrus and Penny Lane. Our new addition to the Cyrus Family. Isn’t she the cutest thing ever?” Tish tweeted with an adorable picture.

PHOTOS: Check out the latest pics of Miley Cyrus

For her recent birthday, Miley‘s fans raised monies for Spot Rescue.

“Thank you to all my fans who donated to @starkeyhearing @spotrescuedogs for my birthday :) y’all topped it again best bday present by far!” she wrote in thanks.

15+ pics inside of Miley Cyrus…