Tiffany wasn’t alone during a efficiency that ended on a bitter observe.

On Sunday, the ‘80s pop star was in Melbourne, Florida for a show where she lost her cool. In a video obtained by TMZ on Monday, the 50-year-old was seen struggling as she attempted to belt out her hit single “I Think We’re Alone Now.” Tiffany, whose actual title is Tiffany Darwish, was heard singing hoarsely and even skipped some lyrics at some factors.

In response, a spokesperson for the singer advised Fox News that “Tiffany lost her voice and was frustrated with her performance.”

While some followers within the video have been seen supporting Tiffany by singing alongside, in direction of the tip of the monitor, the singer could have witnessed somebody from the group heckling, which prompted her to say “F—k you, guys.”

TIFFANY REFLECTS ON ‘80S HIT ‘I THINK WE’RE ALONE NOW,’ ALLEGED RIVALRY WITH DEBBIE GIBSON

“This is my hit!” she yelled whereas barefoot. “I’m gonna sing it right!”

The video has since gone viral, prompting followers to precise concern on social media.

“Poor woman,” one individual commented on YouTube. “She’s trashed. Her fans are loyally singing with her. Oh well we all have our days.”

“As the malls around the country disappear, so does Tiffany’s talent,” one person slammed the singer. “They’re forever tied together.”

Tiffany performs during the 2021 Kentuckiana Pride Festival at Big Four Lawn at Louisville Waterfront Park on October 08, 2021 in Louisville, Kentucky. 

Tiffany performs during the 2021 Kentuckiana Pride Festival at Big Four Lawn at Louisville Waterfront Park on October 08, 2021 in Louisville, Kentucky. 
(Photo by Stephen J. Cohen/Getty Images)

“I never get tired of performing ‘I Think We’re Alone Now,’” she advised Fox News at the time. “I was an eight-year-old girl twirling around in her bedroom in Norwalk, California, wanting to be a singer. And it happened. And ‘I Think We’re Alone Now’ led me to success around the world.”

“It was bigger than I even imagined, even when I got the record deal,” she continued. “It was one thing to be a singer in America, but then when I started to travel the world and everyone loved the song and were wearing jean jackets, knew a lot about me as a person — it really affected me. I never get tired of singing that song because it makes people happy.”