The 45th American Music Awards ceremony is set for Sunday in Los Angeles, and if the past is any indication, you can expect a night with a few surprising moments.

Remember Garth Brooks declining the award, or the time Pat Boone dressed in leather? Yeah, it’s likely to be that kind of night.

The show will be broadcast live from the Microsoft Theater in Los Angeles.

Here’s what you need to know about the show.

What time: The show begins at 8 p.m. ET

What channel: The AMAs will be broadcast live on ABC.

Who is hosting: Tracee Ellis Ross, star of "black-ish," is hosting.

What about a pre-show: What would a music awards show be without a pre-show? AJ Gibson, Marc Malkin, Laura Marano and Oliver Trevena will host the official pre-show, "AMAs Red Carpet Live presented by Security Benefit."

The two-hour pre-show will stream live from the Microsoft Theater beginning at 6 p.m. ET. You can watch the show on Twitter. Find it here. live.twitter.com/amas or via @AMAs. You can also watch "E! Live from the Red Carpet" from 6-8 p.m. ET. on the E! Network.

Who has the most nominations: Bruno Mars has the most nominations this year – eight.

Who is nominated for Artist of the Year: The Chainsmokers, Drake, Kendrick Lamar, Bruno Mars and Ed Sheeran are up for the award.

Who is up for Video of the Year: Luis Fonsi and Daddy Yankee ("Despacito"), Bruno Mars ("That's What I Like") and Ed Sheeran ("Shape of You") are the nominees.

Who is performing: Here is a list of those scheduled to perform:

Alessia Cara
Alesso
BTS
Christina Aguilera 
Kelly Clarkson 
Florida Georgia Line
Niall Horan
Selena Gomez
Imagine Dragons
Lady Gaga
Nick Jonas
Khalid
Demi Lovato 
Shawn Mendes
P!nk
Portugal. The Man
Diana Ross
Hailee Steinfeld
watt
Zedd

Anything special: Diana Ross, mother of host Tracee Ellis Ross, is both performing and receiving a lifetime achievement award.