Beauty influencer Stefanie Pieper has died at age 31 - and multiple people have been arrested in connection with her death. Austrian newspaper Kronen Zeitung reported on Saturday, November 29, that Pieper's ex-boyfriend was apprehended in Slovenia in the vicinity of his burning car. Once in custody, he reportedly confessed to strangling Pieper and led authorities to her body in a nearby forest, hidden inside a suitcase. Austria's Styrian State Police initially confirmed that Pieper had gone missing on Sunday, November 23, after attending a Christmas party.