Goop founder and CEO Gwyneth Paltrow will guest-star on “Shark Tank” as a guest shark.Paltrow will plunge into the competitive entrepreneurship show alongside Doordash CEO and co-founder Tony Xu when the 14th season starts Friday, Sept. 23.The pair of Paltrow and Xu will accompany long-standing Sharks Mark Cuban, Barbara Corcoran, Lori Greiner, Robert Herjavec, Daymond John and Kevin O’Leary in various episodes.The Oscar-winning actress, whose 1998 performance in “Shakespeare in Love’ won her Best Actress nods at the Academy Awards, Golden Globes and Screen Actors Guild Awards, established her lifestyle brand Goop in 2008.Goop has influenced conversation around style, travel, work, food and beauty to physical, mental and spiritual wellness as well as autonomy.