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Big Sean is planning something, well, big.
The rapper rehearsed in Santa Monica, Calif., Thursday afternoon for Friday's Think It Up telecast, where he will perform "One Man Can Change the World" with the West Los Angeles Children's Choir. The song comes from his album, Dark Sky Paradise, and features John Legend and Kanye West. "One Man Can Change the World" won the MTV Video Music Award for Best Video With a Social Message, and Friday's performance will include a photo montage of Big Sean's grandmother.
E! News was given an exclusive look at the 27-year-old musician's rehearsals.
Justin Bieber and Kacey Musgraves are also scheduled to perform during the Think It Up telecast. E! News can also confirm that a number of celebrities—including Jessica Biel, Jason Bateman, Kristen Bell, Halle Berry, Julie Chen, Stephen Colbert, Common, James Corden, Terry Crews, Jennifer Garner, Scarlett Johansson, Jimmy Kimmel, Taylor Lautner, Austin Mahone, Joe Manganiello, Matthew McConaughey, Seth Meyers, Gwyneth Paltrow, Logan Paul, Jeremy Renner, Ryan Seacrest, J.K. Simmons, Eric Stonestreet, Justin Timberlake, Jessica Williams and Stevie Wonder—will make appearances.
Think It Up is the brainchild of The Entertainment Industry Foundation (EIF). ABC, CBS, FOX and NBC will simultaneously broadcast the one-hour special at 8 p.m. ET.
The Think It Up initiative aims to support of students, teachers and schools by generating excitement about learning and building a sense of optimism about the changes underway in classrooms across the United Sates. The telecast will accept donations via ThinkItUp.org to fund student-powered, teacher-led learning projects in partnership with DonorsChoose.org, the teacher crowd-funding charity.
Majors supporters include Staples,The Bill & Melinda Gates Foundation, ExxonMobil, Ashoka's Start Empathy Initiative, The XQ Institute and iHeartMedia.
(E! and NBCUniversal are both members of the NBCUniversal family.)