What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
And our love affair with Jessica Chastain continues..
The Oscar nominated actress made her debut on Ellen yesterday and we loved EVERY single adorable minute.
..even the awkward moment when Ellen Degeneres almost grabs Jessica's butt.
In her interview, the Zero Dark Thirty star covered everything from her road to fame to her shift in mood when rockin' aviators!!!
Ch-ch-check out the bubbly sit down (above)!!!!