The 'King Richard' star was visibly upset after the comedian made a joke over his wife's hair.
The Oscars air live on Sunday, March 27 at 8 p.m. ET/5 p.m. PT on ABC.
The comedian told Jimmy Fallon back in May that he'd received the Johnson & Johnson vaccine.
Rock recently worked with Mulaney amid the comedian's divorce.
Ready to get lost in your new favorite series?
ET chats with Chris Rock about stepping into the horror genre with ‘Spiral,’ in theaters May 14.
Inside the killer surprises of the new horror flick 'From the Book of Saw.'
ET's Nischelle Turner spoke with Chris Rock about his new movie, ‘Spiral: From the Book of Saw,' in theaters May 14.
'I would have been the Black friend!' the comedian joked on Monday's 'The Late Show.'
From Jim Carrey to Megan Thee Stallion, ‘Saturday Night Live’ upped the star power for their season 46 premiere.
The comic and former cast member returned to the Studio 8H stage to host the first in-studio episode since COVID-19 shutdowns began.
Alyssa Milano and Kathy Griffin were among the stars to respond to President Trump's announcement that he tested positive for COVID-19.
Anne Hathaway is the Grand High Witch in this reimagining of the Roald Dahl classic, coming to HBO Max on Oct. 22.
Octavia Spencer and Stanley Tucci also star in the remake, which is narrated by Chris Rock.
