Claim against Hooters under the Civil Rights Act

Tran, who was born in Vietnam, now lives in Los Angeles. She applies to be a waitress at Hooters. The manager of Hooters restaurant tells her, “Sorry, we rarely hire Asian girls because their breasts are too small and part of the Hooters’ image is waitresses with big breasts”. Does Tran have a valid claim against Hooters under the Civil Rights Act? Explain.