A baby stroller for receiving a car seat is disclosed. The stroller has a frame structure including a car seat receiving frame and a push handle. The car seat receiving frame has four sides including a front bar and a back bar. One or more support straps are attached to the car seat receiving frame and located below the car seat receiving frame, where each support strap has one end attached to the front bar and another end attached to the back bar of the car seat receiving frame. The support straps are adjustable in length. When a car seat is rested on the car seat receiving frame, the bottom of the car seat is supported by the support straps. A safety strap is provided to secure the car seat to the frame structure. The stroller does not have a seat for seating a child.