As if there was any doubt about it, it appears that Pippa Middleton knows how to have a good time!
The 27-year-old sister of Duchess Catherine once stripped down to her bra and did a little dance with a scantily-clad dude. And the evidence surfaced on Wednesday. We're sure she's ecstatic about that.
Check it out, and for more Pippa, take a look at what she wore to the royal wedding or the morning after.
