By Amelia Ward Celebrity Big Brother fans have been left in shock after watching housemates Louis Walsh and Sharon Osbourne absolutely slate X Factor and former boss Simon Cowell. The dynamic duo, who were known for their hilarious outburst and hysterical laughing fits on the talent show, have reunited for the 2024 series of CBB. Louis and Sharon, both 71, have remained close friends since their time as judges on the ITV hit reality show, having known each other for decades. And they’ve got straight to business in the BB house, slagging off their old job. Sharon, who is only doing a five-day s…