Katy Perry performs during 'Katy Perry - Witness World Wide' exclusive YouTube Livestream Concert at Ramon C. Cortines School of Visual and Performing Arts on June 12, 2017 in Los Angeles.

Over 49 million fans from 190 countries tuned in to the online event.

Last Thursday (June 8) Katy Perry kicked off the weekend of her Witness album release with a 96-hour livestream, entitled Witness World Wide, in partnership with YouTube. The stream encompassed a number of celebrity guests, wild segments and political discussions -- and amassed over 49 million total views. The event lived up to its international name as well, with Katy Kats from over 190 different countries tuning in.

“We are absolutely thrilled with the success of this unique and surprising event and are honored to have supported Katy’s ambitious, creative vision,” said Susanne Daniels, Global Head of Original Content, YouTube in a statement. “It was truly remarkable to watch Katy share herself with the world and we admire her openness, honesty, and engagement with fans on YouTube throughout the entire 96-hour live stream.”

Perry has long been active on YouTube, with over 24 million subscribers and 11 billion views across her channels. The online event promoted her new album Witness, which is currently the No. 1 album in over 41 countries.