The Lady Gaga-curated One World: Together at Home event is coming up this Saturday (April 18), and Tuesday (April 14) morning, the already stacked lineup for the WHO and Global Citizen event expanded significantly. Alicia Keys, Amy Poehler, Awkwafina, Camila Cabello, Celine Dion, Ellen DeGeneres, Jennifer Lopez, LL Cool J, Lupita Nyong'o, Matthew McConaughey, Oprah Winfrey, Pharrell Williams, Sam Smith, Shawn Mendes, Taylor Swift, Usher and Victoria Beckham are now part of the global event, which has already raised more than $35 million to combat the COVID-19 pandemic.

As Gaga explained while announcing the event last week, One World: Together at Home is not your traditional benefit concert: "We want to raise the money before we go on air. When we do go on air, put your wallets away, your credit cards away, and enjoy the show," she explained during an at-home live stream.

Prior to the 8 p.m. broadcast on Saturday, a six-hour live stream will include appearances from Adam Lambert, Andra Day, Angèle, Anitta, Annie Lennox, Becky G, Ben Platt, Billy Ray Cyrus, Black Coffee, Bridget Moynahan, Burna Boy, Cassper Nyovest, Charlie Puth, Christine and the Queens, Common, Connie Britton, Danai Gurira, Delta Goodrem, Don Cheadle, Eason Chan, Ellie Goulding, Erin Richards, FINNEAS, Heidi Klum, Hozier, Hussain Al Jasmi, Jack Black, Jacky Cheung, Jack Johnson, Jameela Jamil, James McAvoy, Jason Segel, Jennifer Hudson, Jess Glynne, Jessie J, Jessie Reyez, John Legend, Juanes, Kesha, Lady Antebellum, Lang Lang, Leslie Odom Jr., Lewis Hamilton, Liam Payne, Lili Reinhart, Lilly Singh, Lindsey Vonn, Lisa Mishra, Lola Lennox, Luis Fonsi, Maren Morris, Matt Bomer, Megan Rapinoe, Michael Bublé, Milky Chance, Naomi Osaka, Natti Natasha, Niall Horan, Nomzamo Mbatha, P.K. Subban, Picture This, Rita Ora, Samuel L Jackson, Sarah Jessica Parker, Sebastián Yatra, Sheryl Crow, Sho Madjozi, SOFI TUKKER, SuperM, The Killers, Tim Gunn, Vishal Mishra and Zucchero.

As part of One World: Together At Home, brands such as Analog Devices, Cisco, Citi, The Coca-Cola Company, GlaxoSmithKline, IBM, Johnson & Johnson, PepsiCo, Procter & Gamble, State Farm, Target, Teneo, Verizon, Vodafone and WW International, Inc. have supported the COVID-19 Solidarity Response Fund for WHO and regional charities that are working to meet immediate COVID-19-related needs on a local level.

One World: Together at Home airs Saturday, April 18 at 8 p.m. ET on ABC, NBC, ViacomCBS Networks, iHeartMedia and Bell Media networks and will stream on Alibaba, Amazon Prime Video, Apple, beIN Media Group, Facebook, Instagram, LiveXLive, Tencent, Tencent Music Entertainment Group, TIDAL, TuneIn, Twitch, Twitter, Yahoo and YouTube.