Rihanna has cancelled a show in Nice that was due to happen just a day after the deadly attack in the French city.
The singer was due to take the stage at the Allianz Stadium as part of her Anti World Tour.
She captioned the picture: "Due to the tragic events in #Nice, my concert scheduled for tomorrow July 15 at Allianz Stadium will not be going ahead as planned. Our thoughts are with the victims and their families."
Fifty Shades of Grey sequel Fifty Shades Darker was filming on location in the south of France, with producer Dana Brunetti reassuring fans that everyone was safe.
Other stars have rushed to share their sadness about the attack in Nice, writing messages on social media.
-- Boy George (@BoyGeorge) July 14, 2016
So sad for the people of Nice, France.
-- Cyndi Lauper (@cyndilauper) July 14, 2016
Just heard the terrible news from Nice. I am shocked. My thoughts and prayers to all affected.
-- Simon Cowell (@SimonCowell) July 14, 2016