By Zara Woodcock Louis Walsh was branded ‘untrustworthy’ and the ‘biggest gameplayer’ during the latest episode of Celebrity Big Brother. On Wednesday night, the housemates took part in a challenge which saw them read out questions to answer about the others. YouTube star Zeze Millz was asked who she thought was the ‘least trustworthy person and why’. The other stars oohed and aahed as she thought about her answer. “I would say Louis,” she said as Fern Britton gasped. “Only because I always see secret conversations… Not secret, but I’d always see you having conversations here and there with …