The 46-year-old Oscar winner presented the Best Actor category during the telecast on Sunday.
Halle Berry, Bong Joon Ho, Harrison Ford and Reese Witherspoon are also among this year's 'cast.'
Awkwafina, Kristen Wiig and Renee Zellweger will also be presenting.
ET is breaking down some highlights from the private couple's picturesque relationship.
According to to director Victor Kossakovsky, the actors gave their firstborn a very special name.
Rooney Mara is pregnant with her first child with her longtime love, Joaquin Phoenix.
The actor tells 'British GQ' that he has a 'love' for the 'pure anxiety' he feels.
'Liberty and Indigo will never experience cruelty or the touch of a rough hand.'
Phoenix won Best Actor for his performance in 'Joker' at the 92nd annual Academy Awards, which aired Sunday on ABC.
The actor said he's 'filled with so much gratitude' after winning his first Academy Award.
On Sunday, the awards season comes to an end with the Academy Awards honoring the best in film from 2019.
The 92nd Annual Academy Awards air on ABC on Sunday, Feb. 9 at 8:00 p.m. ET / 5:00 p.m. PT.
Has there ever been a Best Actor race as competitive as this year's?
Rebel Wilson roasted the royals while presenting at the BAFTAs, where William and Kate were sitting front and center.
