YouTube star Joe Sugg, 28, has teamed up with the likes of Normal People’s Daisy Edgar-Jones and Paul Mescal to highlight the importance of mental health this week.Tonight, the ex Strictly star will take on Love Island host Iain Stirling in CALM’s (Campaign Against Living Miserably) Lock-in: Mario Kart Edition on Twitch TV.Joe is among many celebrities who are raising money for the mental health charity, who are a leading a movement against suicide.Normal People stars Paul and Daisy will also be going head-to-head to play video game Mario Kart 8 for the online charity event.Fans will be able to tune into watch the races, organised by CALM on Instagram Live and Twitch as part of the awareness week.The special event will feature hours of free.