Two HUGE music stars are coming together and we are going to LOVE IT!
Demi Lovato is set to duet with Christina Aguilera at the 2018 Billboard Music Awards.
The 'Tell Me You Love Me' singer and 'Beautiful' hitmaker have confirmed they are to give their new single 'Fall In Line',
which features on Christina's new record 'Liberation' - its live debut at the annual ceremony.
It follows Janet Jackson being announced as the recipient of this year's Icon Award.
The 'Nasty' hitmaker will also sing for what will be her first televised performance in nine years.
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