The actor reflected on the couple’s canceled wedding with costar Jennie Garth.Jennie Garth and Jason PriestleyCredit: GettyKEY POINTSBeverly Hills, 90210 stars Jason Priestley and Jennie Garth discussed how their characters, Brandon and Kelly, were supposed to get married on the series.Garth recalls being upset that the storyline was scrapped.Priestley also revealed he urged executive producer Aaron Spelling to end the show sooner.Brandon Walsh …