We're pretty sure GRAMMY nominee Demi Lovato is "Sorry Not Sorry" about the busy month she's having.

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From a performance at the Billboard Hot 100 Fest to the announcement she would be singing the national anthem during the UFC champion fight between Conor McGregor and Floyd Mayweather, Lovato is now adding a performance at the MTV Video Music Awards to her calendar.

Lovato announced she would be performing via Twitter on Aug. 23

<blockquote class="twitter-tweet" data-lang="en"><p lang="en" dir="ltr">See you at the <a href="https://twitter.com/vmas">@VMAs</a> this year <a href="https://twitter.com/MTV">@MTV</a> <a href="https://twitter.com/hashtag/SORRYNOTSORRY?src=hash">#SORRYNOTSORRY</a> <a href="https://twitter.com/hashtag/VMAs?src=hash">#VMAs</a> <a href="https://t.co/wqCCpkG5yz">pic.twitter.com/wqCCpkG5yz</a></p>&mdash; Demi Lovato (@ddlovato) <a href="https://twitter.com/ddlovato/status/900434095498444800">August 23, 2017</a></blockquote><script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>

She joins previously announced performers Gucci Mane, KhalidLogic, Post Malone, Miley CyrusKendrick LamarLordeEd Sheeran, and The Weeknd, among others. GRAMMY nominee Katy Perry is set to host.

Catch the entire VMAs lineup on MTV on Aug. 27 at 8 p.m. ET.

McGregor V. Mayweather: Demi Lovato To Sing National Anthem