Kendra and The Girls Downstairs

5/7/2007 4:15 PM PDT BY TMZ STAFF
Observe -- it's a Playmate out in the wild!

It's rare that we see one of Hef's bevy of beauties alone ... not with two other blondes by her side. But alas, there was Kendra Wilkinson, taking in the sun in Miami this weekend sans Bridget and Holly.

Even a Playmate needs a vacation.