you’re able to get a peek at both of them via these first-look images.

So she’s playing this happy little elf doll that comes to life and becomes his spirit guide."

The plot begins with Homer driving in his car, just before impact.

Lizzo as a happy little elf doll on ‘The Simpsons’

Lizzo as a happy little elf doll on ‘The Simpsons’.FOX

“He’s really furious about something and we don’t know what,” says Long.

Which is very funny.

And they end up developing a weird rapport that’s very, very sweet."

Lizzo as Lizzo on ‘The Simpsons’

Lizzo as Lizzo on ‘The Simpsons’.FOX

“So we animated a little thing at the end where she is recording her part with the Simpsons.

And that’s really funny, too.

It’s sort of a weird ‘behind-the-scenes’ reality.”

Lizzo performing at Radio City Music Hall

Lizzo performing at Radio City Music Hall.Steven Ferdman/Getty

“She ends up jamming with Lisa.

‘Saxamaphoneis such a deep-cut reference toThe Simpsonsthat we were all like, ‘Wow.’

She knew all theSimpsonsreferences.

That was really special.”

Recently renewed for seasons 35 and 36,The Simpsonsairs Sundays at 8 p.m.