Tori Spelling has pulled the trigger. The Beverly Hills, 90210 star has filed for divorce from Dean McDermott.RadarOnline.comobtained the documents filed on Friday showing Spelling, 50, has requested physical sole custody of their five minor children, although she’s willing to share legal custody and give her ex visitation. She also demanded spousal support from McDermott and checked the box asking the court to terminate his ability to collect from her. Spelling listed “irreconcilable differences” as the reason behind the split. She also listed the date of separation as June 17, 2023, the day …