Vegan reality star Kelly Osbourne is set to host the fourth annual "Hidden Heroes Gala," a celebration that honors the undercover investigators and supporters of the international animal rights non-profit organization, Mercy for Animals (MFA). "To be held once again at the landmark Vibiana in downtown Los Angeles, this black-tie event will move and inspire you," says\u00a0the organization on the gala's official website.\u00a0"Enjoy a chic black-carpet reception with celebrities, vegan appetizers, cocktails, and more under the tranquil Southern California sky." In addition to Kelly Osbourne, MFA's charity event will welcome\u00a0numerous vegan stars who will act as presenters or members of the honorary celebrity committee. Vegan actor Alec Baldwin, former football player and social justice advocate Colin Kaepernick, "Sopranos" star Edie Falco, actor Kimberly Elise, vegan LGBTQ+ activist\u00a0Alan Cumming, Vegan Lady Boss\u00a0and Smarties candy co-president Liz Dee, as well as\u00a0Kat Von D, Moby, Alicia Silverstone, and others will lend their star power support to the event. LA Friends! We will be back on the West Coast for the @MercyForAnimals #HiddenHeroes gala on September 15. Will I see you there? HOPE SO! Check out deets & buy tix at mfagala.com & link's in bio! Last year's gala was pretty spectacular, and here's how MFA describes the upcoming evening. "Enjoy a chic black-carpet reception with celebrities, vegan appetizers, cocktails, and more under the tranquil Southern California sky. Step inside a true architectural masterpiece\u2014Vibiana\u2019s breathtaking cathedral\u2014for a gourmet vegan dinner and star-studded awards show. The after-party under the stars will be rocking again this year, so bring your dancing shoes to silent disco the night away!" @kellyosbourne is hosting & the presenters and celebrity honrary committee is too long to list here but I'm gonna do it anyway because WOW: Bryan Adams, Alec Baldwin, Kristen Bell, Mayum Bialik, Allan Cumming, Kat Von D, Emily Deschanel, Kimberly Elise, Edie Falco, Daisy Fuentes, Anjelica Huston, Carrie Ann Inaba, Colin Kaepernick, Joshua Leonard, Juliette Lewis, Leona Lewis, Alexi Lubomirski, Joanna Lumley, Evanna Lynch, Mena Massoud, Maria Menounos, Moby, Joseph Morgan, Olivia Munn, Thandie Newton, Alexandra Paul, Juaquin Phoenix, Alison Pill, Marco Antonio Regil, Craig Robinson, Alicia Silverstone, Amy Smart, Mena Suvari, Diane Warren and Persia White! Accompanying yours truly on the Host Committee include some of my absolute favorites: Mikko Alanne @mikko_alanne, Nick Garin (heyyy @nickgarin), Jim Greenbaum @jim.weho, Melissa Li, Rebecca and Ariel Nessel, Dr. Natalie Ruiz and Jim Glackin, Miyoko Schinner @miyokoschinner, Michael Schwarz, Loretta and Chris Stadler, Tracy and Kyle Vogt, Suzy and Jack Welch @jack_and_suzy, Amanda and Stephan Sech! Oh yeah, and it's black tie, so I'm not going to be wearing a green jumpsuit (or am I???). A post shared by Liz Dee (@thelizdee) on Aug 8, 2018 at 11:00am PDT "Step inside a true architectural masterpiece\u2014Vibiana\u2019s breathtaking cathedral\u2014for a gourmet vegan dinner and star-studded awards show,"\u00a0says MFA."The after-party under the stars will be rocking again this year, so bring your dancing shoes to silent disco the night away!" In addition to having an impressive celebrity honorary committee, various vegan organizations and brands will sponsor the event, including vegan venture capital firms\u00a0New Crop Capital\u00a0and\u00a0Stray Dog Capital, sustainable investment firm\u00a0The Prospect Fund,\u00a0The Good Food Institute, and Chalie's Acres\u00a0farm animal sanctuary. Plant-based food brands Beyond Meat New Wave Foods, Ocean Hugger Foods, Kite Hill, and others will also act as sponsors. The Hidden Heroes Gala is set to take place on September 15th in downtown Los Angeles, California at the historic Vibiana.