you need John Lennon glasses for a Beatles party.
Possibly a good idea, but would only look good indoors or outside after dark. Also, would need to give lavalamps away at end of party, because I sure as hell don't want a dozen just floating around afterward.
Nicole Richie Celebrates Her 35 Birthday With Disco-Themed Bash Attended by Jessica Alba, Cameron Diaz, Kate Hudson and
DIY disco ball candle holders for a theme party
Great photo booth idea for a kiddo VW party