These surprise guests made live music performances all the more unpredicable. For this list, we’ll be looking at times musical artists invited a previously unannounced guest or guests to join them on stage.

These live music performances left audiences speechless. For this list, we’ll be looking at the most groundbreaking and fantastic live music performances.

These performers gave it their all and left everything on the stage. For this list, we’re looking at the most memorable performances that appeared during the AMAs. Our list includes Selena Gomez, Miley Cyrus, Taylor Swift, Justin Bieber, Lady Gaga and more! Join MsMojo as we count down our picks for the Top 10 American Music Awards Performances.

This show brings all the chart-toppers to the stage. Welcome to MsMojo, and today we’re counting down our picks for the top ten Billboard Music Awards performances.

The truth is often stranger than fiction – but it always has a killer soundtrack. Join http://www.WatchMojo.com as we count down our picks for the top 10 performances in music biopics.

Artists really pull out all the stops for award shows! Welcome to MsMojo, and today we’re counting down our picks for the most show stopping performances in Billboard’s award show history.

These live music performances fell flat. Welcome to WatchMojo, and today we’re counting down our picks for the worst live performances ruined by the artist or crowd.

Nice to have them back! Welcome to MsMojo, and today we’re counting down our picks for the live performances that ended a singer’s hiatus, revived their fame, or came after a period of uncertainty in their career.

Emotion in real time. Welcome to MsMojo, and today we’re counting down our picks for the most spine-tingling, moving, and/or powerful live performances.

There's nothing like a live performance. Welcome to MsMojo, and today we’re counting down our picks for the most impressive and/or iconic live music from 2000 to the present.

Why isn't there an award for Best Billboard Music Award performance? For this list, we’ll be looking at the award show’s most memorable musical acts that we’re still talking about today.

You have to see these incredible Ariana Grance performances to believe them! Ariana Grande may have started out on Nickelodeon but she has come a long way since then, dominating music charts and giving us some unforgettable performances along the way. These Ariana Grande performances combine her catchy hits and her unstoppable vocal chops in spectacular fashion. Join MsMojo as we count down our favorite Ariana Grande musical performances.

Get ready to slay! We're counting down the most iconic and visually stunning music videos from the Queen Bey herself. From empowering anthems to sultry performances, these videos showcase Beyoncé's unparalleled artistry and cultural impact. Whether you're crazy in love or ready to run the world, this list celebrates the best of Beyoncé's visual masterpieces.

Let's revisit these Britney Spears performances one more time. Welcome to MsMojo, and today we’re counting down our picks for the most iconic and impressive performances from the Princess of Pop.

These are the K-Pop performances that popped the loudest. Welcome to MsMojo, and today we’re counting down our picks for the most hard-hitting K-Pop performances that live rent-free in our heads.