The first Hollywood Dance Marathon was held at the Avalon Theater in January 2012 and raised over $37,000.
In 2013, the 2nd annual Hollywood Dance Marathon raised over $67,000. All proceeds from the event's first two years benefitted the Four Diamonds Fund.
The 3rd Annual Hollywood Dance Marathon was held on March 23, 2014 and raised over $85,000 for its two beneficiaries: The Four Diamonds Fund at Penn State Hershey Children's Hospital and Children's Hospital Los Angeles. The event included:
- Over 220 official Dancers wearing the dancer t-shirt (every year the dancer shirt color changes - this year was neon green)
- Total attendance of approximately 1,000 people including Dancers, ticket purchasers, VIPs & celebrities, and other guests
- Entertainment including 3 musical artists, 2 bands, 5 DJs and a hip-hop dance group
- Celebrity hosts including Taylor Spreitler ("Melissa & Joey"), Sandra Mitchell (KCAL News), Amy Paffrath (TV Host), Gia Mantegna ("The Prince"), and Devon Werkheiser ("I Brake for Gringos")
- Celebrities supporters including Grammy-winner Moby, Ian Harding ("Pretty Little Liars"), Melissa Joan Hart ("Melissa & Joey"), Joe Mantegna ("Criminal Minds"), Drew Seeley ("Glory Daze"), Adam Sevani ("Step Up: All In"), Christine Lakin ("Melissa & Joey"), and Alyson Stoner ("Step Up: All In")
The 4th Annual Hollywood Dance Marathon was held on March 21, 2015 and raised over $101,000 for its two hospitals: The Four Diamonds Fund at Penn State Hershey Children's Hospital and Mattel Children's Hospital UCLA. The proceeds going to MCHUCLA went to two programs: The Daltrey-Townsend Teen and Young Adult Cancer Program; and The Stem Cell, Cellular Therapy, and Transplantation Research Program.
The 5th Annual Hollywood Dance Marathon was held on April 2, 2016 and raised over $124,000 for its two partner hospitals. Over 300 dancers signed up to dance the six hours, and were welcomed by a celebrity host committee including Terrell Owens, Neil Brown Jr., Landry Bender, Jillian Rose Reed, and Stephanie Bauer. The event featured speakers & families from both hospitals, hair cutting, performances by Vanity Fair and The Young Guns, a "Cake by the Ocean" group dance taught by Alyson Stoner, and the first ever Lip Sync Battle.