The Insider.com

They're certainly not The Beatles, but some of your favorite stars are offering up their voices for a good cause.

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Jennifer Aniston, Jon Hamm, Malin Akerman, Usher, Robin Williams and Keith Urban (to name a few) cover Hey Jude along with the patients and doctors of St. Jude Children's Research Hospital. The viral video is cleverly titled Hey St. Jude, and is bound to warm your heart this Wednesday morning.

The video was made in an effort to help "make it better" for kids fighting cancer. So, how can you help?

The hospital's website explains: "For as little as $5, you can help us save lives. Or, donate $35 and get the #heystjude T-shirt seen in the video on our kids and your favorite celebrities." Check out their website for more details.