For 'Strip That Down' hitmaker Liam, 23, it's the second time he would've played at the annual ceremony after One Direction performed in 2015 before their hiatus.
He said: ''It's always a great day with a brilliant line-up.
''I'm looking forward to performing my new songs and returning to the stage - but as a solo artist this time.''
Dua, 22, said: ''I'm thrilled to be invited back to perform this year. Can't wait to see you there.''
The Vamps - who have played twice before - can't wait to return.
They said: ''The Teen Awards is always a great time to celebrate incredible young individuals and we are extremely proud to be a part of such an important celebration.''
The likes of Stormzy, Little Mix, Ed Sheeran, Harry Styles, Drake and Justin Bieber have all been nominated for awards.
Radio 1 will be streaming live on Radio 1's BBC iPlayer channel, BBC Red Button and Radio 1's website.
Tickets go on sale at 9am on Friday (25.08.17).
The Radio 1 Teen Awards 2017 shortlist is a follows:
Best British Solo Artist
Rag 'N' Bone Man
Best British Group
Best International Solo Artist
Best International Group
Most Entertaining Celebrity
Jade Thirlwall (Little Mix)
Once a fire fighter, always a fire fighter.
Today (September 14th) marks the 25th anniversary since the album's 1993 release.
Labrinth has teamed up with Sia and Diplo to form a new supergroup: LSD.
The Struts teamed up with Kesha for a red and gold themed music video as part of their collaboration on 'Body Talks'.
Sometimes actors are not acting.
Filmmaker Spurlock (Super Size Me) is known for his investigative wit, but there's none of...
British pop heartthrobs One Direction became a worldwide sensation when they were thrust together on...
Niall Horan, Zayn Malik, Liam Payne, Harry Styles and Louis Tomlinson may make up the...