For nearly two decades, Lady Gaga has used fashion not just as clothing, but as art. She has time and again pushed boundaries of what is considered wearable and arrived in looks that one could not imagine even in their dreams. As the songstress turns 40, here's looking at some of her most head-turning and jaw-dropping outfits.

The cast of Hannah Montana reunited on March 23 for the premiere of the 20 years reunion special of their beloved show. Ahead of the special, we take a look at how the cast of the Miley Cyrus show have transformed in the last two decades