Florence Welch, lead singer of Florence + the Machine, performed on July 19 her own version of Get Lucky by Daft Punk while she was reportedly drunk. 

Welch was attending a concert in London by British cover band Sourberry and decided to go up on stage and perform a few covers of her own. In addition to Daft Punk's Get Lucky, she sang Standing in the Way of Control by indie rock band The Gossip.

The video of Welch's performance was posted on YouTube Monday and can be seen here:

"She hopped up on stage during our sound check and rocked out a couple of numbers with us while we warmed up," the band Sourberry wrote in the description section of the YouTube video.

The band also suggested that she was likely very drunk on tequila shots during her impromptu performance. Though it was not confirmed if she was indeed drunk, she did take a shot on camera during her performance and stumbled off the stage to try and crowd-surf after she was done singing.

This isn't the first time Welch has sung her own version of a popular song. The red-haired singer performed I Love It by Icona Pop feat. Charli XCX with British singer-songwriter Dev Haynes at a Human Rights Campaign benefit on June 19.

Watch the stripped-down performance of the song here:

Welch also performed a cover of Take Care by Drake featuring Rihanna with Florence + the Machine in 2012 at the Radio Live1 Lounge. She performed at the same venue in 2009, singing her band's version of Halo by Beyoncé.

Florence + the Machine's latest studio recording was on the soundtrack to the 2013 film adaptation of The Great Gatsby. The band recorded an original song Over the Love, which was featured in the background one of the film's scenes.

Tags: florence and the machine Florence Welch Daft Punk Get Lucky