Sydney Sweeney appeared on the June 6 segment of “The Tonight Show Starring Jimmy Fallon,” and she could barely contain her delight while talking about her dog. The “Euphoria” star dished on her puppy, Sully Bear, who has recently learnt to open doors. Moreover, at only 16 weeks, the dog weighs in at a hefty 55 pounds, making Sweeney a proud dog…
