Legendary filmmaker John Singleton was taken off life support on Monday (April 29) after slipping into a coma as a result of an unexpected stroke.

While it shocked everyone, including Singleton’s family and friends, it caused a lot of reaction from celebrities who knew, worked or were inspired by his work. Some were all three, including Morris Chestnut and Angela Bassett, who both starred in Singleton’s breakout 1991 film Boyz n the Hood.

They, along with so many others, offered their thoughts and memories of John Singleton on social media. See what some of the biggest names had to say below.