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Who dat, who dat? I-G-G-Y. Well after her performance at our iHeartRadio Music Fetival, you'll never forget who she is! Iggy Azalea is on top of the world this year, and brought all her fancy-ness to the MGM Grand Garden Arena in Las Vegas.

Check out everything you'll never forget about Iggy's iHeartRadio Music Festival performance below!

1. She designed her outfit. It's one of a kind - just like her. It's AMAZING.

2. She proved why she was the perfect person for J Lo's "Booty" remix. Exhibit A:

Photo: Getty Images

3. Exhibit B:

Photo: Getty Images

4. Even though Rita Ora wasn't there to perform "Black Widow" with her, she totally rocked the song anyway.

5. She got fancy.

Photo: Getty Images

6. Her dancers RULE!

Photo: Getty Images