Showbiz Sanne Wallis de Vries may not occur Sanne Wallis de Vries has her performance of Tuesday night in Theater Wake in Hoogezand-Sappemeer, must cancel. The comedian is suffering from the flu, let them know on Twitter. Sanne Wallis de Vries The performance GUT has been moved to Sunday 18 march. Ticket holders will be e-mail informed. They can have their ticket re-booking or their money back.