The biggest snub, in terms of nominations, was once a perennial favourite, Taylor Swift who is up for just three awards, and only one in a major category, with her seventh album Lover missing out on a potential Album of the Year award.
In addition to their performance with the American rap trio, Aerosmith will perform a medley of some of their biggest hits to celebrate becoming MusiCares' Person of the Year, which was announced last week.
This special performance comes after the singer announced that she would be taking the stage at the upcoming Grammy Awards.
The Grammy Awards, again hosted by Alicia Keys, will be broadcast live on CBS from the Staples Center in Los Angeles on Sunday, Jan. 26, starting at 8 p.m. ET/5 p.m. PT.
Demi Lovato took a much-needed break from Instagram early in December and announced her hiatus simply writing, "the next time you hear from me, I'll be singing" next to an all-black image on her feed.
'I know i'm not there tonight (trust, i tried and still truly wished it had worked out tbh) and i know i said i try not to put too much weight into these things. but f--. this is wild and lovely. thank you so much, ' she said on her Twitter.