Demi Lovato and Christina Aguilera are seen performing and during the audience/backstage at the 2018 Billboard Music Awards in Las Vegas on May 20, 2018. PERFORMANCE BACKSTAGE & AUDIENCE

Demi Lovato arrives at Billboard Music Awards in Las Vegas on May 20, 2018. Expect more updates from the event later!

Demi Lovato is seen visiting Fabletics at the The Village at Westfield Topanga on May 18, 2018.

Pre-order Christina Aguilera’s new album ‘Liberation’ available June 15 and instantly get the new songs “Fall In Line” feat. Demi Lovato, “Twice” and “Accelerate” feat. Ty Dolla $ign and 2 Chainz!…

Demi Lovato poses photoshoots for her newest engagement with DIFF Eyewear promotion.

It’s a dream come true for Demi Lovato — the singer is set to perform with her idol Christina Aguilera at the Billboard Music Awards later this month, PEOPLE confirms…

After the upbeat duet debuted at No. 3 on Hot Latin Songs and topped Latin Airplay, the sultry video racked up over 1 billion global YouTube views. Luis Fonsi: “Échame…

Demi Lovato and Bella Thorne are seen spotted leaving Crazy Girls Strip Club together in Hollywood, CA on April 18, 2018.

Remember those whispers about a duet between Christina Aguilera and Demi Lovato? Well, they are slowly and surely picking up, especially after budding singer Jon Bellion confirmed that he was…

Demi Lovato is seen making a dash to her car while leaving No Vacancy in Hollywood, CA on April 4, 2018.

Demi Lovato is seen in Tribeca in New York City on April 2, 2018.

Demi Lovato is seen leaving Prime 112 Restaurant in Miami, FL on March 29, 2018.

Miley Cyrus and Demi Lovato attend March For Our Lives on March 24, 2018 in Washington, DC.

Demi Lovato performs onstage at March For Our Lives on March 24, 2018 in Washington, DC.

Demi Lovato is seen out in New York City on March 23, 2018.

Demi Lovato Visits Music Choice at Music Choice on March 22, 2018 in New York City.

Demi Lovato is seen leaving her hotel in Canada on March 20, 2018.

On March 15, Demi Lovato celebrated her sixth year sober. The day after the former Disney Channel star took the stage at the Barclays Center for her Tell Me You Love Me tour where she…

Demi Lovato performs in support of her Tell Me You Love Me Tour at Little Caesars Arena on March 13, 2018 in Detroit, Michigan.

Demi Lovato performs onstage during the ‘Tell Me You Love Me’ World Tour at Barclays Center of Brooklyn on March 16, 2018 in New York City.