Going undercover! Katy Perry covers up as she leaves upscale Beverly Hills Epione clinic frequented by the Kardashians

The Beverly Hills clinic Epione serves a celebrity clientele ranging from Kim Kardashian to Sofia Vergara to Lady Gaga.

On Monday, it played host to yet another famous name. 

Katy Perry was spotted leaving the cosmetic dermatology centre, keeping a low profile with large sunglasses and a baseball cap.

Sprucing up: On Monday, Katy Perry was spotted leaving the Epione clinic in Beverly Hills

Sprucing up: On Monday, Katy Perry was spotted leaving the Epione clinic in Beverly Hills

She wore a dark tracksuit with white stripes as she exited the building, a female friend walking along in front of her. 

The Teenage Dream singer kept her headphones on as she walked to a black Mini, and left them there as she clambered in and her pal drove her away.

The specific treatment the 31-year-old availed herself of at Epione is unconfirmed.

A friend in need: A female pal of hers walked ahead of her from the cosmetic dermatology centre

A friend in need: A female pal of hers walked ahead of her from the cosmetic dermatology centre

Travelling in style: They departed in a gleaming black Mini 

Travelling in style: They departed in a gleaming black Mini 

Keeping herself refreshed: The friend held a cool beverage in her hand as the Roar singer clambered into the passenger seat

Keeping herself refreshed: The friend held a cool beverage in her hand as the Roar singer clambered into the passenger seat

Mrs Kanye West, who has been more open about the procedures she's undergone there, visited in August for a skin-tightening and a nonsurgical tummy tuck.

Khloé Kardashian's had cellulite removed at Epione via OptiLipo, an experience immortalised on Keeping Up With The Kardashians last year.

Last October, Kylie Jenner told the New York Times she enlists the clinic's Dr Ouirian to inject the Juvéderm that results in her trademark bizarrely swollen lips.

Along for the ride: Her friend took the wheel to drive Perry from the clinic

Along for the ride: Her friend took the wheel to drive Perry from the clinic

Excellent company: Other celebrity clients of Epione include Sofia Vergara, Lady Gaga, Kim and Khloé Kardashian a Jenna Dewan Tatum

Excellent company: Other celebrity clients of Epione include Sofia Vergara, Lady Gaga, Kim and Khloé Kardashian a Jenna Dewan Tatum

On Sunday night, the Santa Barbara native took in Dolly Parton's concert at the Hollywood Bowl, an event also attended by Reese Witherspoon, Elizabeth Banks and Perry's fellow Epione client Jenna Dewan Tatum. 

The Roar singer, however, got pride of place, spending a bit of time with the country icon backstage before the performance and documenting the encounter on Snapchat.

'Hi, everyone, we're at the Hollywood Bowl with Dolly Parton,' Perry exulted. 'She's about to go on!' The grinning 70-year-old contributed: 'Yes, I am.'

Meeting an icon: On Sunday night, she attended Dolly Parton's concert at the Hollywood Bowl and hobnobbed with her backstage before she went on 

Meeting an icon: On Sunday night, she attended Dolly Parton's concert at the Hollywood Bowl and hobnobbed with her backstage before she went on 

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