The couple also share 2-year-old daughter Kinsey.
After being delayed, the HBO drama returns this fall.
The couple is already parents to 1-year-old daughter Kinsey Sioux.
Crudup called accepting his award virtually an 'incredible experience.'
Kieran appeared in the film as cousin Fuller when he was 7 years old.
ET takes you inside some of the most exclusive parties of the night.
The couple shared a sweet photo of Jazz holding the little girl.
Kieran Culkin has spoken out about the allegations against Michael Jackson in HBO's documentary, 'Leaving Neverland.'
The baby is due in September!
ET spoke with the actor at the 2019 Golden Globe Awards, where he was nominated for his work in HBO's 'Succession.'
"WHAT IS SUCCESSION?!"
From Jodie Comer and Julia Garner to Penn Badgley and Richard Madden, ET gives props to those who gave their small-screen best in 2018.
