1. Ariana Grande
Her performance at the 2013 AMAs was stellar.
Bey absolutely killed it with "If I Were A Boy" at the 52nd Grammy Awards.
3. Ed Sheeran
This video of Ed singing "Give Me Love" shows how multi-talented he is.
And this performance proves that a ginger British boy can have serious rapping skills!
4. Lady Gaga
This emotional performance of "Speechless" is absolutely stunning.
5. Lea Michele
This is Lea flawlessly singing "My Man" at a tribute to Barbra Streisand.
6. Kelly Clarkson
This outdoor performance of "Sober" showcases her incredible range.
7. Bruno Mars
This performance of "When I Was Your Man" sounds even better than the studio version.
8. Demi Lovato
This performance of her breakthrough hit "Skyscraper" far exceeds the expectations of a typical "Disney girl."
9. Jessie J
This video was recorded in a bathroom and still sounds better than most edited songs.
10. Miley Cyrus
Her performance of "Wrecking Ball" on SNL was a pleasant surprise for fans and critics alike.
And Miley gets even better when you take her back to her country music roots.
11. Justin Bieber
This stripped-back performance of "As Long As You Love Me" reaffirms why Bieber became a star in the first place.
12. Carrie Underwood
This medley of some of Carrie's hits shows just how strong her voice is.
There is nary a sour note in this acoustic performance of "Who Knew."
14. Adam Lambert
Adam's vocals are absolutely on point in this performance of "What Do You Want From Me"
15. Christina Aguilera
This performance of "Hurt" is truly extraordinary.
This performance of "Take A Bow" shows off the vocals that got her noticed when she was just 17.
17. Alicia Keys
Alicia shows off both her piano-playing ability and incredible voice in this performance of "If I Ain't Got You."
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