United Kingdom, July 8 -- Lana Del Rey and Matthew McConaughey are among the stars who have sent their well wishes to the people of Texas, following deadly flash floods in the state.

More than 100 people have died, and dozens are still missing, as a result of devastating floods in Texas Hill Country.

Camp Mystic, a girls' summer camp, in Kerr County have confirmed at least 27 campers and counsellors have perished in the flooding, and some are still missing.

Singer Lana has been praying for the people of Texas "every moment of the day".

She wrote on Instagram: "I want to say how sorry I am for so many people's losses in Kerr County and beyond in Texas.

"We've been thinking of you every day since the floods.

"All of my prayers are wit...