flamboyant, flashy, garish, gaudy, glittery, glitzy, loud, ostentatious, showy, splashy, swank (or swanky), tawdry

bedizened, florid, lurid, ornate

exaggerated, overdecorated, overdone, overwrought

baroque, elaborate, extravagant, ornate, rococo

appareled (or apparelled), arrayed, bedecked, decked-out, dressed, embroidered, garnished, trimmed