The new and distinct crape myrtle plant named Lagerstroemia ‘;Brew Ha Ha’; has a dense, short, compact, broadly-rounded habit, is ground hardy to at least USDA zone 6, has semi-glossy, deep bluish-green foliage blushed with dark purplish-red. The flowers arise from shiny, rosy-red buds, are lightly fragrant, large, cover the shrub with their vibrant bubblegum pink color. The new plant resists leaf spot and powdery mildew and is useful in the landscape as a specimen, en masse, or as a container plant.