Best Orange Creamsicle Cake

INGREDIENTS

• 1 (18 ounce) box orange cake mix
• 3 eggs (or as called for by your cake mix)
• 1/3 cup oil (or as called for by your cake mix)
• 1 1/3 cups water (or as called for by your cake mix)
• 1 (6 ounce) box orange Jell-O
• 1 1/2 cups hot water
• 1 cup cold water
• 8 ounces cream cheese, softened
• 1 (3 1/2 ounce) box vanilla instant pudding mix
• 1 (3 1/2 ounce) box orange Jell-O
• 1 cup milk
• 1 teaspoon vanilla extract
• 8 ounces Cool Whip, thawed