Pharrell Williams, Bette Midler and Michael Moore were among the stars remembering the victims of the 2005 natural disaster.

Hollywood figures have taken to Twitter to remember the devastation caused 10 years ago by Hurricane Katrina. 

The city of New Orleans marked the occasion Saturday with a memorial event, where Bill Clinton praised the city for its improvement but emphasized the need for continued recovery. 

Here is a selection of tweets from entertainment figures about August 2005's Hurricane Katrina, which claimed the lives of more than 1,800 people along the Gulf Coast. 

In Treme, I was inspired by the progress & people 10 years after Katrina. It gives us hope, but our work isn't done. pic.twitter.com/LDqsARhnZt

— President Obama (@POTUS) August 29, 2015

It's been 10 yrs since Katrina hit New Orleans. The underserved youth still need us- let's keep their futures bright http://t.co/u9gByicbSN

— Pharrell Williams (@Pharrell) August 27, 2015

This Oscar-nominated movie about one woman's struggle during and after Katrina will seriously move you. Streams here: http://t.co/ANpkyiSXsF

— Michael Moore (@MMFlint) August 29, 2015

Tenth anniversary of Katrina. The day the scales fell from my/our eyes. Come back @kanyewest, all is forgiven.

— Bette Midler (@BetteMidler) August 30, 2015

Katrina..10 yrs ago today. Time for reflection & renewal. Going to spend next week w/family counting our blessings. pic.twitter.com/fXXNPe5d2y

— Robin Roberts (@RobinRoberts) August 29, 2015

I will never forget...New Orleans August 29th, 2005 http://t.co/sciFhTi0GT

— Stevie Nicks (@StevieNicks) August 30, 2015

Institutional Racism is real... Racially Disparate Views of New Orleans’s Recovery After Hurricane Katrina http://t.co/enu0GDGTom

— Mark Ruffalo (@MarkRuffalo) August 25, 2015