Selena Gomez's appearance will mark her first performance since her kidney transplant reveal in September.
A source tells ET 'it's 'totally platonic' between the former couple, who dated on and off from 2011 to 2014.
Selena talked to Beats 1 on Apple Music about her newest single, 'Wolves,' on Monday. These are the highlights.
The 25-year-old singer says she wanted to do things at 'my own pace' this year.
Selena Gomez’s latest track has finally dropped.
Looks like Justin Bieber and Selena Gomez have left all the drama behind.
The 25-year-old singer will release the new song and video on Wednesday.
The former couple dated on and off from 2011 to 2014.
The former child stars posed together at the 'InStyle' Awards.
The video for the track, which features EDM artist Marshmello, is somber in look and tone.
The childhood friends have been extra sweet to one another on social media lately.
Puth was romantically linked to Gomez in 2015.
Selena left an encouraging comment on Demi's Instagram.
"You always continue to [be] bold and real."
