What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Well, well, well, it's nice to see the Olsen Twins make an appearance together on TV!
Mary-Kate and Ashley joined forces and graced The Ellen DeGeneres Show together to talk about their new fragrances and played a little game because, well, they're on Ellen!
Things got a little tricky between the two when the host threw them a curve ball of a question! LOLz!
Ch-ch-check out the HIGHlarious sisters figure out how to answer Ellen's questions (above)!!