"We began the 1989 World Tour in Louisiana, and the wonderful fans there made us feel completely at home," Swift said in a statement. "The fact that so many people in Louisiana have been forced out of their own homes this week is heartbreaking."
The "Shake It Off" singer added, "I encourage those who can to help out and send your love and prayers their way during this devastating time."
Lady Gaga also announced on Twitter that she would be contributing financially to the state's flood relief. "My thoughts and prayers to all of our loved ones in Louisiana suffering through the flood," she wrote. "My family and I are donating to relief efforts."
My thoughts and prayers to all of our loved ones in Louisiana suffering through the flood. My family & I are donating to relief efforts.
The Wire star Wendell Pierce revealed on Twitter that his Louisiana home had flooded. "My neighbors and I have flooded in Baton Rouge. I am reminded of the generosity given to my family during [Hurricane] Katrina," he wrote. "Now we will care for you."
My neighbors & I have flooded in Baton Rouge. I am reminded of the generosity given to my family during Katrina. Now we will care for you
The Office actress Angela Kinsey is from Lafayette, and shared an update she received from her family who still lives there. "My family in southern Louisiana has been sending me a lot of photos like this one. Hope everyone is safe there," she wrote on Instagram. "My sister said the sun finally came out today. Sending lots of love and prayers to all there. #louisianaflood2016"
Louisiana Gov. John Bel Edwards' office toldThe Associated Pressthat the flooding has damaged at least 40,000 homes, with more than 60,000 people registered for disaster aid from the Federal Emergency Management Agency. Since Friday, over 30,000 people have been rescued, and that number continues to climb.