A system and method for delivery of unmanaged over-the-top (OTT) streams in a cellular network are provided. The method includes monitoring unmanaged OTT streams flow in the cellular network; determining if at least one of the monitored unmanaged OTT streams can be delivered as an OTT stream in a multicast format; reformatting the at least one unmanaged OTT stream into a multicast OTT stream, if the at least one unmanaged OTT stream can be delivered in a multicast format; and delivering the at least one unmanaged OTT stream as a multicast OTT stream to a user edge device over the cellular network.