Gwyneth Paltrow's Goop at Sea cruise is the latest venture to be cancelled because of the Covid-19 pandemic.It was announced in January that the Hollywood star's lifestyle brand Goop had partnered with Celebrity Cruises and was taking to the open waters, with guests able to enjoy various classes and activities during the luxury boat ride.The maiden voyage was scheduled to set sail from Barcelona on 26 August, taking in destinations in France, the Mediterranean and the Italian Riviera, before