Taylor Swift and Adele dominated the 2011 American Music Awards on Sunday after walking away with three trophies each.
The Love Story hit-maker ruled the country music categories, taking home the Favorite Female Artist accolade and Favorite Album for Speak Now, as well as the coveted Artist of the Year honor.
Accepting her award, a stunned Swift told the audience, "I wrote this album while I was on the Fearless tour and so I ended up writing lots of these songs at four in the morning in hotel rooms... And the fact that you would honor it in this way, you just have no idea what this means to me... I want to thank all the fans for remembering the lyrics and for caring about lyrics, I'm just so thankful and I'm so happy."
British soul singer Adele, who was not present at the ceremony as she is recovering from vocal surgery, was given a new reason to smile - she was named Favorite Adult Contemporary Artist and Favorite Pop/Rock Artist, while her record 21 was the top pop/rock album.
It proved to be a lucky night for the ladies - Nicki Minaj picked up two trophies and Rihanna, Beyonce and Jennifer Lopez each scored one.
Katy Perry also took home a special achievement prize for becoming the first woman in the history of pop music to have five number one singles from one album.
The 2011 ceremony featured the most live collaborations in the show's history as Nicki Minaj and David Guetta got the evening off to a blazing start performing their new track Turn Me On. Pitbull, Lil Jon and Marc Anthony also teamed up for Reign Over Me, while Enrique Iglesias and Ludacris took to the stage for Tonight.
Adam Levine did double duty singing Moves Like Jagger with Christina Aguilera and his band Maroon 5 before racing to join Gym Class Heroes on their tune Stereo Hearts. Jennifer Lopez also pulled out all the stops as she sang On the Floor with Pitbull and later brought down the house at Los Angeles' Nokia Theatre by debuting her new song T.H.E. (The Hardest Ever) with will.i.am.
The complete list of winners from the 39th annual American Music Awards, determined by online voting, is as follows:
Favorite Male Artist, Pop or Rock - Bruno Mars
Favorite Female Artist, Pop or Rock - Adele
Favorite Band, Duo or Group, Pop or Rock - Maroon 5
Favorite Album, Pop or Rock - Adele (21)
Favorite Male Artist, Country - Blake Shelton
Favorite Female Artist, Country - Taylor Swift
Favorite Band, Duo or Group, Country - Lady Antebellum
Favorite Album, Country -Taylor Swift (Speak Now)
Favorite Artist, Rap/Hip-Hop - Nicki Minaj
Favorite Album, Rap/Hip-Hop - Nicki Minaj (Pink Friday)
Favorite Male Artist, Soul/R&B - Usher
Favorite Female Artist, Soul/R&B - Beyonce
Favorite Album, Soul/R&B - Rihanna (Loud)
Favorite Artist, Alternative Rock - Foo Fighters
Favorite Artist, Adult Contemporary - Adele
Favorite Artist, Latin - Jennifer Lopez
Favorite Artist, Contemporary Inspirational - Casting Crowns
Artist of the Year - Taylor Swift
New Artist Of The Year - Hot Chelle Rae.