It's no secret recently turned 21-year old, Mandy Jiroux, is Miley Cyrus's Best Friend.

Mandy Jiroux Birthday: December 15th Height: 5' 3" Band: Beach Girlz (on tour with AVP) Mandy (short for Amanda) Jiroux started dancing at only 3 years old (Hip Hop, Ballet, and Tap) she was a backup dancer for Miley Cyrus/Hannah Montana since 2006. Sheperformed at the 2008 Kids Choice Awards (KCA) in March '08. Mandy Jiroux is best known for being Miley Cyrus's best friend (BFF) and their YouTube Show: Miley and Miley on YouTube On the Miley and Mandy Show, they typically get over one million views per video. The show started in February '08

Miley Cyrus and Mandy Wish You a Merry Christmas:

Pictures of Mandy Jiroux