Camila Cabello and Lil Nas X's night out in West Hollywood involved a visit from first responders.

The pair surprised fans on Friday at Heart nightclub in West Hollywood, where they celebrated the launch of their single He Knows after getting stuck in an elevator.

'The fact we actually got stuck on an elevator for an hour. Trauma bond!' wrote Lil Nas, 25, on Instagram with photos of the ordeal.

One snap showed the Grammy winner laying on a stretcher, seemingly as a joke, while Cabello, 27, sat at his feet.

He also posed for a mirror selfie outside the faulty lift after he and the C, XOXO artist took some photos in their bathroom mirror.

Camila Cabello and Lil Nas X surprised fans Friday at Heart nightclub in West Hollywood, where they celebrated the launch of their single He Knows after getting stuck in an elevator

Camila Cabello and Lil Nas X surprised fans Friday at Heart nightclub in West Hollywood, where they celebrated the launch of their single He Knows after getting stuck in an elevator

'The fact we actually got stuck on an elevator for an hour. Trauma bond!' wrote Lil Nas, 25, on Instagram with photos of the ordeal

'The fact we actually got stuck on an elevator for an hour. Trauma bond!' wrote Lil Nas, 25, on Instagram with photos of the ordeal

Despite the chaos, their looks appeared to stay in tact as they arrived at the LGBTQ establishment, which was partly owned by Lance Bass until last month.

Cabello sizzled in a skintight black latex sleeveless minidress, which appeared to take inspo from Pamela Anderson in 1996's Barb Wire, paired with a luscious head of blonde locks.

The Fifth Harmony alum donned a pair of matching leather knee-high boots, featuring spray-painted silhouettes of naked women.

She finished the look with a pair of thin black sunglasses, jeweled stud earrings, a matching chain bracelet and a see-through PVC handbag. 

Lil Nas sported a sheer blue skintight turtleneck printed with cherubs, clouds and peace signs, teasing a couple inches of his midriff.

The Montero artist wore the top with some deconstructed jeans covered in distress detailing and zippers, held up with a silver jeweled western-style belt.

He finished the ensemble with a pair of furry white boots, a silver sword necklace and jeweled stud earrings.

The duo dropped He Knows earlier that day, ahead of Cabello's fourth studio album C, XOXO, which debuts June 28.

Cabello and Lil Nas X previously collaborated on another track as they teamed up for karaoke at Richie Akiva's Met Gala afterparty on Monday in New York City.

Despite the chaos, their looks appeared to stay in tact as they arrived at the LGBTQ establishment, which was partly owned by Lance Bass until last month

Despite the chaos, their looks appeared to stay in tact as they arrived at the LGBTQ establishment, which was partly owned by Lance Bass until last month

Cabello sizzled in a skintight black latex sleeveless minidress, which appeared to take inspo from Pamela Anderson in 1996's Barb Wire, paired with a luscious head of blonde locks
She later stopped at Prince Street Pizza for some celebratory pies after leaving the club

Cabello sizzled in a skintight black latex sleeveless minidress, which appeared to take inspo from Pamela Anderson in 1996's Barb Wire, paired with a luscious head of blonde locks. She later stopped at Prince Street Pizza for some celebratory pies after leaving the club

One snap showed the Grammy winner laying on a stretcher, seemingly as a joke, while Cabello, 27, sat at his feet

One snap showed the Grammy winner laying on a stretcher, seemingly as a joke, while Cabello, 27, sat at his feet

The pair took some photos of their looks in their bathroom mirror
Lil Nas sported a sheer blue skintight turtleneck printed with cherubs, clouds and peace signs, teasing a couple inches of his midriff

The pair took some photos of their looks in their bathroom mirror. Lil Nas sported a sheer blue skintight turtleneck printed with cherubs, clouds and peace signs, teasing a couple inches of his midriff

Lil Nas also posed for a mirror selfie outside the faulty lift

Lil Nas also posed for a mirror selfie outside the faulty lift

The duo dropped He Knows earlier that day, ahead of Cabello's fourth studio album C, XOXO, which debuts June 28

The duo dropped He Knows earlier that day, ahead of Cabello's fourth studio album C, XOXO, which debuts June 28

Cabello and Lil Nas X previously collaborated on another track as they teamed up for karaoke at Richie Akiva's Met Gala afterparty on Monday in New York City

Cabello and Lil Nas X previously collaborated on another track as they teamed up for karaoke at Richie Akiva's Met Gala afterparty on Monday in New York City

FKA Twigs shared a video of the pair tackling a duet at Casa Cipriani following the Costume Institute Benefit at the Metropolitan Museum of Art. 

After releasing her single 'I LUV IT' in March, Cabello shared a statement explaining how some of the 'emotional drama' in her love life inspired the song.

'Certain things in our human realm do make me feel like I'm in outer space, and the very rare few times where I've had incredible chemistry with someone is one of them,' she said.

'Part of that cocktail is also the emotional drama between you and that person, and the chaos and butterflies and nerves and passion,' added Cabello.

'It's unsustainable and not peaceful and exhausting, but also, I LUV IT.'

Cabello was previously in a relationship with Shawn Mendes from 2019 to 2021.

Last year they briefly rekindled their romance before ending it for good again.

Cabello has also been romantically linked to Matthew Hussey and Austin Kevitch.

He Knows is now available for streaming and download. C, XOXO is available June 28.