Aside from congratulations and thanks for the invite, another unspoken rule for guests at a launch party is dressing to celebrate — not compete — with your host. Such was the protocol for the ladies we snapped this week at two special events: “All Access” short film launch, hosted by Ryan Leslie, and the book launch for “The Hip-Hop Professional” by music industry exec Shanti Das. While Leslie and Das held court at the event, their guests mixed and mingled in looks that fit the tone of the evening and caught our eye.