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Loved up Taylor Swift rules the Billboard Music Awards, Kanye West gets booed

One Direction and Taylor Swift were the big winners at the Billboard Music Awards in Las Vegas.

Hosted by model Chrissy Teigen and Ludacris, performers included Kanye West, Iggy Azalea and Britney Spears.

The awards show as it happened:

Introduced by his sisters in law Kendall and Kylie Jenner, Kanye West closes the Billboard Music Awards with a fiery performance.

He was booed after Kylie introduced him as "a doctor" after West earned an honourary doctorate from the Art Institute of Chicago.

Kanye West is closing the #BBMAs somewhere behind all those pyrotechnics. You'll just have to take our word for it. pic.twitter.com/d9hqiL1xPs

— WSB-TV (@wsbtv) May 18, 2015

Taylor Swift wins top artist at the Billboard Music Awards, her eighth award of the night.

"This is such a good night, this is to anyone graduating this year, we have so much more to accomplish, I love you my fans."

Imagine Dragons performs 'Stand By Me' as a tribute to B.B.King who died last week.

.@ImagineDragons perform a touching tribute to Ben E. King #StandByMe #BBMAs pic.twitter.com/crJreTo2JH

— Vevo (@Vevo) May 18, 2015

"@TSwiftOnTour: Taylor and Austin enjoying Imagine Dragon's rendition of "Stand By Me"! #BBMAs pic.twitter.com/b1jVGAVhzn" I CANT EVEN

— Chloe Grozdina (@Chloe_Fearless) May 18, 2015

America's first Idol Kelly Clarkson gives a powerful performance, showing off some new curves and owning it.

.@kelly_clarkson's performance speaks for itself. Can't nobody mess with this invincible woman!#BBMAs pic.twitter.com/tkeXjzt5Z3

— BillboardMusicAwards (@OfficialBBMAs) May 18, 2015

Nicki Minaj flaunts her famous curves on stage during her multi-song performance.

Slay, @NickiMinaj, slay! #BBMAs pic.twitter.com/xTaed1Le36

— Vevo (@Vevo) May 18, 2015

Britney Spears and IGgy Azalea perform their new song 'Pretty Girls' on the strip in Las Vegas.

They’re just so pretty! And talented, too! @britneyspears & @IGGYAZALEA #PrettyGirls! #BBMAs pic.twitter.com/W5piLffPKv

— BillboardMusicAwards (@OfficialBBMAs) May 18, 2015

Ed Sheeran performs, watched on by friends Taylor Swift and Calvin Harris.

Just the man and his guitar. Lovin' @edsheeran's stripped down performance. #BBMAs pic.twitter.com/U9Bm8Ag8Gt

— Vevo (@Vevo) May 18, 2015

One Direction wins award for top touring artist. 'We love touring, we love our fans," says Harry Styles.

YAS! @onedirection won Top Touring Artists! #BBMAs pic.twitter.com/tMX7OTrTm9

— Maximum Pop! (@maximumpop) May 18, 2015

Taylor Swift wins top female artist and thanks all of the girls, teens and women in her life. 

"Thank you to the girls who I talk to on the internet who teach me slang," Swift says.

Taylor Swift having a #girlpower moment during her Best Female Artist win #BBMAs pic.twitter.com/AhyJtGCGxC

— Vevo (@Vevo) May 18, 2015

Can we just rename this the Taylor Swift And Calvin Harris Being Adorbs Awards? #BBMAs pic.twitter.com/t4LhxvubBM

— Seventeen (@seventeen) May 18, 2015

John Legend wins top radio award for his song 'All of Me'.

"I was inspired to write this by a beautiful, intelligent, dynamic woman." -@johnlegend on wife @chrissyteigen #BBMAs pic.twitter.com/BHbFqP6i5E

— Good Morning America (@GMA) May 18, 2015

#BBMas host @chrissyteigen is one lucky woman. @johnlegend killed it on stage with @Meghan_Trainor! pic.twitter.com/MRcCd7qaBA

— Yahoo Music (@YahooMusic) May 18, 2015

Sam was not in Las Vegas to accept his award for top new artist as he is recovering from vocal surgery in New York. He thanked friends and fans, including Taylor Swift and Ed Sheeran through a series of notecards.

.@samsmithworld message to the world in short! You're great! S/o .@NICKIMINAJ #BBMAs pic.twitter.com/0UdUZkwyiv

— Music Choice Play (@MusicChoicePlay) May 18, 2015

Iggy Azalea and Charlie XCX win best rap song for 'Fancy'. 

Queen of the Billboard Music Awards, Mariah Carey sparkles on stage performing.

The Queen has arrived at the #BBMAs! #Infinity pic.twitter.com/csP22sCJfR

— Entertainment Weekly (@EW) May 18, 2015

Nick Jonas puts on a stellar performance in Las Vegas.

OK, @NickJonas! This is pretty damn cool! #BBMAs pic.twitter.com/ZxJ9pSQ1kH

— Entertainment Weekly (@EW) May 18, 2015

Taylor Swift wins top album award for 1989, thanks her team, fans and boyfriend.

One of these things is not like the other...! #BBMAs https://t.co/caPEiYbX8a

— Cosmopolitan (@Cosmopolitan) May 18, 2015

 Taylor Swift and Calvin Harris cuddle up.

We're just going to leave this here for you...#BBMAs pic.twitter.com/RAorlR0chU

— BillboardMusicAwards (@OfficialBBMAs) May 18, 2015

One Direction wins the first award for best group and shares it with "brother" Zayn Malik who left the group earlier this year.

“There’s one more person to share this with, that’s our brother Zayn.” - @Real_Liam_Payne on @onedirection #BBMAs win pic.twitter.com/j8vwgIxATM

— Good Morning America (@GMA) May 18, 2015

The awards begin with Taylor Swift premiering her highly anticipated "Bad Blood" music video.

Gonna have that video *on repeat* as soon as it hits Vevo. Trust. #BBMAs #BadBlood pic.twitter.com/UhL1EUQ4XS

— Vevo (@Vevo) May 18, 2015

One Direction attend their first award show as a foursome following the exit of Zayn Malik.

Hey One Direction boys, could you NOT be so perfect?! http://t.co/uUoA9B8H6a #BBMAs pic.twitter.com/5We3lFRIYB

— E! Online (@eonline) May 18, 2015

Chris Brown shows his baby daughter off on the red carpet.

.@chrisbrown brought his baby daughter Royalty as his date to the #BBMAs pic.twitter.com/bqTpdwZ5Vl

— billboard (@billboard) May 18, 2015

Up for numerous awards, Taylor Swift flashes some flesh.

.@TaylorSwift13 brought her #BadBloodMusicVideo co-stars along to the #BBMAs ! pic.twitter.com/5BMUz3iuyT

— billboard (@billboard) May 17, 2015

Fan favourite Ed Sheeran.

See photos from the 2015 #BBMAs red carpet arrivals! http://t.co/ZWF0E1YHzI pic.twitter.com/R979Fd39FQ

— billboard (@billboard) May 17, 2015

Jennifer Lopez shows off her curves in this revealing number.

Another shot of @jlo. Gorgeous! #BBMAs pic.twitter.com/u3HMaaPvmE

— billboard (@billboard) May 17, 2015

Not the first time she's posed - rising supermodel Kendall Jenner.

Kendall Jenner opened up about her dad on the #BBMAs red carpet: http://t.co/ibPNXl7XHD pic.twitter.com/SK3Jezckd8

— Us Weekly (@usweekly) May 17, 2015