Laura Marano and Noah Centineo go way back! ET Live’s Cassie DiLaura and Jason Carter caught up with Marano earlier this week and she gushed about reuniting with Centineo, seven years after he guest starred on her Disney Channel show, Austin and Ally, for Netflix’s The Perfect Date.  <iframe width=”560″ height=”315″ src=”https://www.youtube.com/embed/Hld-7oBn3Rk” frameborder=”0″ allow=”accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture” allowfullscreen></iframe> “He’s just, like, the loveliest guy. He has …