Pregnant Alicia Silverstone cannot contain her huge bump in tight-fitting gym wear

At eight months pregnant, Alicia Silverstone may want to consider trying on some maternity clothes for size.

The Hollywood star was spotted leaving a pre-natal yoga class in West Hollywood today with her huge baby bump protruding beneath her tight-fitting gym wear.

Clueless star Alicia, 34, looked rather worn out following her morning bout of exercise.