Lady Gaga blonde singer hollywood music studio dress legs sunglasses

When you're a professional like Lady Gaga, a 9-hour studio session is no biggie!

The "Born This Way" singer left a music studio in Hollywood looking as fierce and fashionable as we would expect. The yellow and purple design on her sexy LBD is divine!

We're not surprised she's been named the No. 1 moneymaker by Forbes magazine. Lady G looks like a million bucks!

The eccentric singer has been staying at Hollywood hotspot Chateau Marmont. Check out the mass chaos she caused while leaving the famous hotel in our video below. Let's hope her driver has learned his lesson after yesterday's near accident.

See more of her post-recording studio fashion from head to toe ... after the jump.