"We're going to scream our faces off!" So declared two cowboy-garbed fans even before Beyoncé stepped onstage to kick off the first show of her Cowboy Carter Tour last night (April 28). Multiply those two sets of screams by the thousands of others screaming,

One woman tackled another to the floor, as the group of cowgirls went from vibing to fighting, slipping around in their cowboy boots, hats and all. Fortunately, a male attendee stepped in to break things up.

So many folks were in the crowd, from her star-studded family to A-list actors.