Los Angeles: Popular Hollywood celebrities like Kris Jenner, Miley Cyrus, Amy Schumer and Josh Gad have mourned the death of people killed in the terror attack in Nice, France. A terrorist ploughed with his truck through a crowd of thousands enjoying Bastille Day celebrations in the French city mowing down at least 84 people and injuring over 150. Celebrities took to social networking sites like Twitter and Instagram to strongly condemn the attack. Here's what they have tweeted: Miley Cyrus: Sending love to Nice and especially to those who lost a loved one today. We must keep up the fight for a more peaceful, understanding world without this senseless violence. Kris Jenner: Our prayers are with you. We must continue to spread love in the face of hate. Pray for Nice. Amy Schumer: Enough. Pray for Nice. Ariel Winter: Pray for Nice. Pray for France. Pray for our world. My heart is broken. Josh Gad: To our brothers and sisters in Nice, we stand with you, we pray for you, we mourn for you. Pray for Nice. Shawn Mendes: Pray for Nice with all my love. Blake Shelton: Sickening to see what has happened in France. This was with a truck. This new normal is unacceptable. Time for some hard decisions. Simon Cowell: Just heard the terrible news from Nice. I am shocked. My thoughts and prayers to all affected. Rachel Zoe: My heart aches. My thoughts are with everyone in Nice and the rest of the world. Pray for Nice. Justin Long: The victims were celebrating 'liberty, equality and fraternity'-- France's motto and virtues that will thrive long after today. Pray for Nice. Boy George: My heart breaks for France. How do we stop this? Pray for peace.