The SINGLE is DROPPIN!! I THINK a SAFE ESTIMATE is a MILLION DOWNLOADS!!

Heidi Montag is one step closer to fulfilling her dream of pop stardom.
The Hills star, 21, has dropped her new single, "Higher." Theron Feemster produced it.
The track is available at iTunes on Tuesday.
Get your first listen, in its entirety, here.
Her former friend and current foe Lauren Conrad celebrates her 22nd birthday today.

Heidi in STUDIO!!