For those lacking an attic filled with feather boas and tiaras. Olivia's Doll HouseTea Room has trunks of frocks and is the perfect place to let little make believers preen and prance. The festivities include a fashion show and a tea party with sweets, finger sandwiches, a heart shaped cake and party favors--all in a Victorian dollhouse atmosphere. The cost is $250, with a six child minimum; $25 for each additional child. 8804 Rosewood Ave., West Hollywood, 310-273-6631; also in Newhall and Thousand Oaks.