Taylor Swift, Jennifer Lopez, Oprah Winfrey and Celine Dion are among those joining the lineup for the One World: Together at Home television special. Global Citizen announced that Swift, Lopez, and Dion will perform remotely during the two-hour concert event, which airs Saturday at 8 p.m. ET on NBC, CBS, ABC, ViacomCBS Networks, The CW, the BBC, iHeartMedia and other global networks and platforms. Shawn Mendes, Camila Cabello, Alicia Keys, Sam Smith, Usher and Pharrell Williams have also joined the list of performers. Oprah Winfrey, Ellen DeGeneres, Awkwafina, Amy Poehler, LL Cool J, Lupita Nyong’o, Matthew McConaughey and Victoria Beckham will make appearances. Previously announced performers and presenters include Lady Gaga, Andrea Bocelli, Billie Eilish, Billie Joe Armstrong, Chris Martin, David Beckham, Eddie Vedder, Elton John, Keith Urban, Paul McCartney, Priyanka Chopra and Stevie Wonder. Together at Home is curated by Lady Gaga. Late-night talk show hosts Stephen Colbert, Jimmy Fallon and Jimmy Kimmel will co-host the event. NBC said in a previous press release: “One World: Together at Home is not a telethon, but rather a global broad entertainment special to celebrate the heroic efforts of community health workers and support the World Health Organization and the global fight to end COVID-19.”