Her co-hosts this year are Ashley Graham and Lilly Singh.
Troy Kotsur, last year's winner for best supporting actor, will also present.
Flow became the first indie film ever to win in this category.
David Byrne and Son Lux will join the Academy Award-nominated actress to sing "This Is a Life."
The 95th Academy Awards will take place on March 12.
Diane Warren is high on the list, but one songwriter has had even more solo nods.
"Least he's got a sense of humour" The post
"It’s horrible. I quite quickly developed a sort of allergy to that" The post
Five artists have each made the top 10 with two Oscar-winning songs.
"I need to find a machine that not only teaches me my lines but also tells me where they appear on the page" The
