Holy Trinity Catholic Church will have a Guadalupan celebration Monday and Tuesday, Dec. 11 and 12, beginning with a serenade (mañanitas, a custom in Mexico) to the Virgin Mary Dec. 11 from 10 p.m. until midnight. The celebration is part of the Feast of Our Lady of Guadalupe, during which millions of Hispanics pay homage to the Virgin Mary. On Tuesday, Dec, 12, at 7 p.m. a bi-lingual Mass will be celebrated by Fr. Rafael Torres, C.Ss.R. and a reception with mariachis will follow. For more information, call 770-487-5352.