I think you might have 'overdone' it with the decorations. [=used too many decorations]
Love is a theme that is 'overdone' [=used too often] in the movies.
You should exercise every day, but don't 'overdo it'.
(..) She hates surprises. Hey, what are you gonna order ? - Huh ? - From him. What are you gonna order ? Um, l haven't decided yet. Oh, well, don't overdo it. l don't want people saying, ""There goes that famous actor with the big, fat girlfriend."" l should leave. This is a fairly strange reality (..)1999 Notting Hill