Caramel Banana Trifle

1 (16 ounce) package frozen pound cake, thawed, cubed
1 (5.1 ounce) package instant vanilla pudding, prepared
2 bananas, sliced
1/2 cup caramel ice cream topping
1 (8 ounce) tub frozen whipped topping, thawed

In large serving bowl, place 1/2 of pound cake. Spread 1/2 of pudding over pound cake. Arrange 1 sliced banana over pudding. Drizzle caramel over banana. Spread whipped topping over top. Repeat process. Drizzle 1 tablespoon caramel ice cream topping over whipped topping if desired.