And Lady Gaga bared all for a bizarre fundraising video benefiting the Marina Abramovic Institute.
In it, the 27-year-old pop star is seen practicing the 66-year-old performance artist's 'method,' even sitting back to back with Marina before a lake.
The Serbian artist's method involves 'a series of exercises designed to heighten participants' awareness of their physical and mental experience.'
The stark, pretentious video is for a Kickstarter campaign.
It begins with the five-time Grammy winner lying on the floor singing a single note with the same audio continuing throughout the clip.
Gaga spends the bulk of the video blindfolded or with her natural hair shielding her eyes, walking slowly or striking a single solitary pose.
At one point, the nude Born This Way singer raises her arms up as she pads through the grass, and then she's seen bending over clutching a branch.
Mother Monster - born Stefani Germanotta - displays her toned, tattooed form and rocks her newly black extensions, bleached brows, and new septum piercing.
Crystals big and small are also prominently featured in the video with the Edge of Glory hitmaker both cuddling and perching on a massive rock.
As of Wednesday, Marina's Institute has received $228,683 of a $600,000 goal with 17 days left to go.
Last week, Gaga and Abramovic were spotted snuggling on a haystack in the Hamptons during a benefit for the Watermill Center.
The talented New York ladies were joined, and perhaps introduced, by avant-garde stage director Robert Wilson.
The white-haired 71-year-old is currently collaborating with the Paparazzi singer on her fourth studio album ARTPOP - due out November.
She'll sing her new track Applause at the MTV Music Awards - airing live August 25 - which will be her first performance since having hip surgery in February.
'The single Applause and it's MUSIC VIDEO will BOTH debut on same day. ARTPOP. 8/19,' the Telephone hitmaker tweeted to her 39.5 million followers.
Back in 2010, the Born this Way singer made sure to check out Abramovic's exhibit The Artist is Present at Manhattan's Museum of Modern Art.
Sharon Stone, Courtney Love, Christina Ricci, Liv Tyler, Lou Reed, Bjork, and Ciara were among the celebrities to sit before Marina.
Her work is said to 'explore the relationship between performer and audience, the limits of the body, and the possibilities of the mind.'
Last month, rapper Jay-Z danced with Marina while performing his song Picasso Baby for six hours straight at the Pace Gallery in New York.
Meanwhile, Gaga's boyfriend Chicago Fire star Taylor Kinney has been shooting The Other Woman with Cameron Diaz.
The Poker Face crooner is set to make her own big-screen debut as 'La Chameleon' in Robert Rodriguez's sequel Machete Kills, due out October 4.
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