You can schedule posts. She could have banked a load of content and then be recovering at home but still posting as 'normal' . She wouldn't be the first to do it
I'm more shocked that she actually paid for it and didn't scrounge a freebie.
Also Selena needs to get a bleeping grip.... she got a shove, probably fell over in her knock off Loubs and broke her ankle you'd swear she lost her jaysis leg in Gallipoli.