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Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Jessica Biel & Justin Timberlake
Stars were out in force yet again for the third Stand Up to Cancer telethon, broadcast live from L.A.'s Shrine Auditorium.
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Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Robert Pattinson
3/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Gwyneth Paltrow
4/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Seth Rogen
5/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Matt Damon
6/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Julia Roberts
7/12
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Alicia Keys
8/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Michael Douglas
9/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Sofia Vergara
10/12
Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage
Samuel L. Jackson
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Photo by Kevin Mazur/American Broadcasting Companies Inc via WireImage)
Gabby Douglas
12/12
Photo by Michael Caulfiend/Stand Up To Cancer via Getty Images
Halle Berry