Diane Sawyer, Katie Couric and Brian Williams

Stand Up To CancerNetwork anchors Diane Sawyer, Katie Couric and Brian Williams joined forces to unite TV networks, cable competitors and Web sites to Stand Up to Cancer with a star-studded telethon.

Billie Joe Armstrong, The Edge, Stevie Wonder, Lady Antebellum, Natasha Bedingfield and more filled the show with moving tunes while stars from Denzel Washington and Adam Sandler to Ryan Seacrest and George Clooney worked the phones and spoke to the fight against cancer. Donate to this worthy cause now and watch the show below.