Singers Lady Gaga and Justin Timberlake are among the celebrities who have decided to temporarily exit social networking websites to help raise money for needy children, local media reported.
The celebrities said they will stay off Twitter and Facebook until one million dollars has been raised for a charity called "Keep A Child Alive," the reports said.
The event is organized by R&B singer Alicia Keys who is the global ambassador for the organization.
Other celebrities taking part include Usher, Jennifer Hudson, Ryan Seacrest, Elijah Wood, Serena Williams and Keys' husband Swizz Beatz.
Explore further: Obama defends NSA against latest spying report