Of the many outrageous fashion statements Lady Gaga has made over the years -- from a meat dress to marijuana chic -- the Mother Monster's latest getup, a cage-like headpiece, will go down in the books.

Gaga, 26, donned the black metal cage headpiece Saturday as she made her way out of her New York City hotel on the way to perform with the Rolling Stones. She was seen sporting the headwear leaving the Carlyle on her way to the Prudential Center in Newark, N.J., escorted by several bodyguards. The headpiece, which you can see at Yahoo News!, worn over her long platinum hair had gold metal chains dangling from the metal bars and a golden cherub on the forehead.

Later on, Gaga ditched the Hannibel Lecter-style headpiece for a custom Ray Brown velvet catsuit paired with sky-high platform ankle boots for the last stop on the Stones' "50 And Counting Tour" golden anniversary performance. According to the Mother Monster, "the stretch velvet combinations summoned the glam gods I felt like a star." Gaga also reflected on her performance of 1969's "Gimme Shelter," which she compared to a dream.

"I had a life dream to be transported in a time machine to 1973 NJ, beer + badboys. Someone heal me it happened + then I sang with the Stones," she tweeted.

But Gaga didn't only sing with the band for their 50th anniversary, but got feedback from Ron Wood, who complimented the fashionista singer on her ever-changing hair.

"When Ron Wood gave me his pick and said I really love that song about you Hair, is that not every girls dream. Get me my AquaNet," she tweeted.

And Wood wasn't the only celebrity fawning over Gaga; Tyra Banks also tweeted about her performance.

Lady Gaga "had on serious cray high heels last nite jumping all over Rolling Stones stage putting all vet runway models to shame," Banks wrote.