Lindsay Lohan Shows Lil' Sis the Ropes

6/11/2010 6:00 AM PDT
Lindsay Lohan taught her 16-year-old sister last night ... a SCRAM bracelet does not have to get in the way of a good time.

Lindsay left the Soho House in West Hollywood at around midnight with Ali in tow ... and made a beeline for the nearby Chateau Marmont. We're told she left around 1am.