Terri Hightower, 57, from Tennessee, suffered from degenerative disease ALS
Family were left devastated when she was diagnosed in December 2019
By the summer of 2020, she wasn t able to walk and used a wheelchair
Dreamed of attending son Scott s wedding, who organised a special first dance
During reception, he wheeled her to the dance floor and lifted her into his arms
Terri died after losing her battle with the disease ten days after the ceremony