"I love seeing Christmas trees light up!" said 8-year-old Oliver, who was one of the hundreds of people who were in attendance.
The rain came but the show went on, and sponsors provided holiday treats like hot chocolate to those who were there.
There were special performances featuring Philadelphia native Jazmine Sullivan, but the real highlight of the night was the lights.
"I can't wait to see it because it's so fun and you can see the Christmas tree light and that's my favorite to see," said 6-year-old Penny.
"I like to see the ornaments because the ornaments look really good and sometimes the ornaments light up," 7-year-old Armado told KYW Newsradio.
For many, the lighting of the tree signifies something on the horizon.
"Well, I really like when it lighted up," Vivianne said, because "we get to have presents."