See How Miley Cyrus Celebrated Hannah Montana's 15th Anniversary! (Photos)

There have already been some grainy photos released from Miley Cyrus‘ Hannah Montana anniversary party, but now we can show you the images taken from inside the event!

The 28-year-old singer was seen posing with a bunch of Hannah heads while celebrating with friends at the Rainbow Room on Thursday night (March 25) in West Hollywood, Calif.

Miley was joined by British musician Yungblud, The Kid LAROI and other friends while celebrating the Hannahversry.

The day before, Miley took to her social media pages to share a hand-written letter that she wrote to Hannah to celebrate the occasion. It has been 15 years since the show first premiered on Disney Channel!

Miley also sent big flower arrangements to a lot of the people who were involved in the show, including Joe Jonas, who was in the Best of Both Worlds concert movie.

Click through the gallery to see all of the photos from the party…