Rihanna, Slash, and many other stars have reached out to offer their prayers to the people of Oklahoma following a devastating series of tornadoes.

Powerful tornadoes landed in Oklahoma City Monday, destroying several buildings. Currently, the death toll is over 90 people, with dozens being school children. The children were at Plaza Towers Elementary School when the storms ripped through the building.

Rihanna took to Twitter.com and posted the simple message, "Praying for Oklahoma." Slash wrote, "Horrible what the people in Oklahoma just went thru. The devastation they're facing now. & t...

After tornadoes ripped through Oklahoma on Monday, "The Newsroom" star Olivia Munn and drummer Nathan Followill reached out to their families, friends and fans, praying for their safety.
 
The actress wrote on Twitter, "Tornado just landed down in Oklahoma... My family is in their storm shelter. Hope everyone is getting somewhere safe!!" She later added, "School in Oklahoma totalled by a tornado, homes destroyed and there are people trapped under debris. Please get somewhere safe!!!"

Kings of Leon rocker Followill was also worried about loved ones. He wrote, "My prayers are with my family ...