Jennifer Aniston, Betty White, Ellen DeGeneres and Others Sing 'Hey Jude' for Charity (VIDEO)
The clip -- which also features St. Jude patients and staff -- calls for viewers to help them “make it better” for children with cancer and other life-threatening diseases.
Who else is featured in the video?
Mike and Molly star Billy Gardell manages to stand out amongst the professional musicians with his halarious attempt to sing one of the song's more challenging parts.
Also belting out some of the Paul McCartney-penned song is comedian Robin Williams, television host Dr. Oz and Olympian Shaun White.
There are some pros on board, as well: Keith Urban and Lady Antebellum take part.
While many of the stars recorded their parts separatel,y singer Jordin Sparks flew to the Memphis, TN, hospital to sing with one of the patients.
“Singing an iconic song like 'Hey Jude' with an all-star cast of musicians, athletes, actors and St. Jude Children’s Research Hospital patients was an incredible experience,” she said.
View the music video, above, and visit heystjude.org for more information.