Abstract: A tree lighting system including a support assembly, a lighting assembly, and a hanging assembly. Support assembly includes a collar adapted to sit atop a portion of a Christmas tree by means of rods inserted in the collar to securely place the collar on the branches of an ornamental tree. The collar integrates electrical plugs configured to receive a series of strands. The strands feature lights along thereof to provide an aesthetic lighted appeal to the tree. A light controller connected to the plugs controls and power said lights through the plugs when the strands are connected. Users are capable of conveniently adjusting lighting configurations of the lights with the press of a control means, offering a versatile, and visually appealing solution for installing and illuminating the Christmas tree.