The next single from Selena 'Selena' Gomez's latest opus 'Revival' will be 'Kill Em With Kindness', ie not 'Sober'.
The follow-up to 'Hands To Myself' (which is still climbing in the UK, but peaked at Number 7 in America), was confirmed by the former Selena Gomez & The Scene frontwoman using her mouth in the following manner:
https://twitter.com/GomezSource/status/714548246727761920?ref_src=twsrc%5Etfw
As you'll also hear, she mentions the fact she's already working on her next album, which may well be out later this year.