An exemplary tailgate assembly includes, among other things, a first gate pivotably coupled to a vehicle body, and a second gate pivotably coupled to the first gate. The second gate has an inner surface that faces a vehicle cargo bed when the second gate is in a closed position. The first and second gates are moveable to a step position where the inner surface is a step surface to the vehicle cargo bed. An exemplary method includes, among other things, pivoting a first and a second gate to a step position where an inner surface of the second gate is a step surface to a vehicle cargo bed. The inner surface faces the vehicle cargo bed when the second gate is in a closed position.