It's not a good day to be Tori Spelling or Jennie Garth. Looks like the former Beverly Hills, 90201 costars won't be getting a second season for their ABC Family comedy Mystery Girls as the cablenetwork has reportedly canceled the freshman buddy detective comedy that follows Holly (Spelling) and Charlie (Garth), former stars of the fictional 1990s TV detective series Mystery Girls who reunite to solve actual mysteries.