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A devastating tornado ripped through Oklahoma on May 20, 2013, many celebrities offered their support and prayers via Twitter.

1. MLB Player Matt Kemp: “I’m giving $1000 for tonight’s HR and every HR until the All-Star break for the victims of my hometown in OKC. #PrayforOklahoma”

MLB Player Matt Kemp: "I'm giving $1000 for tonight's HR and every HR until the All-Star break for the victims of my hometown in OKC. #PrayforOklahoma"

2. Solange Knowles: “Oklahoma, you are in my thoughts…”

3. Monica: “Praying for everyone affected by the devastation that’s taken place in Oklahoma”

Monica: "Praying for everyone affected by the devastation that's taken place in Oklahoma"

4. Mike Epps: “Prayers go out for the families in Oklahoma.”

Mike Epps: "Prayers go out for the families in Oklahoma."

5. Missy Elliott: “Praying for those areas effected in this Devastating storm in Oklahoma City… So many Prayers God!”

Missy Elliott: “Praying for those areas effected in this Devastating storm in Oklahoma City… So many Prayers God!”

6. Alicia Keys: “So much going on in the world…I’m saddened by the devastating news… My thoughts and prayers are with all those affected #PrayForOklahoma”

Alicia Keys: "So much going on in the world...I'm saddened by the devastating news… My thoughts and prayers are with all those affected #PrayForOklahoma"

7. Floyd Mayweather: “My heart goes out to everyone feeling the impact of the tornadoes in the OKC area. Stay safe and #PrayForOklahoma.”

Floyd Mayweather: "My heart goes out to everyone feeling the impact of the tornadoes in the OKC area. Stay safe and #PrayForOklahoma."

8. Kerry Washington: “Sending prayers for Oklahoma.”

Kerry Washington: “Sending prayers for Oklahoma.”

9. Lil’ Kim: “Oklahoma my heart goes out to you!! Stay safe! #PrayForOklahoma”

10. Kevin Durant: “Praying for the victims of the Tornadoes in OKC these last few days..Everybody stay safe”

Kevin Durant: "Praying for the victims of the Tornadoes in OKC these last few days..Everybody stay safe"

11. Gabrielle Union: “Grace of God… #prayersup”

Gabrielle Union: "Grace of God... #prayersup"

12. Chris Brown: “Sending my love and prayers to the people of Oklahoma. #PrayForOklahoma.”

Chris Brown: "Sending my love and prayers to the people of Oklahoma. #PrayForOklahoma."

13. Evelyn Lozada: “24 children still missing in Oklahoma! There’s a father on site crying looking for his 9 year old child! This is so not fair! Kiss ur kids!”

Evelyn Lozada: "24 children still missing in Oklahoma! There's a father on site crying looking for his 9 year old child! This is so not fair! Kiss ur kids!"

14. LeVar Burton: “Praying for the Oklahoma families affected by the #tornado…!”

LeVar Burton: "Praying for the Oklahoma families affected by the #tornado...!"

15. Jackée Harry: “Jacks & Jills, $10 Donations Can Be Made To The Red Cross Disaster Relief Fund By Texting The Word REDCROSS To 90999 #PrayForOklahoma RT!”

Jackée Harry: "Jacks & Jills, $10 Donations Can Be Made To The Red Cross Disaster Relief Fund By Texting The Word REDCROSS To 90999 #PrayForOklahoma RT!"

16. Russell Simmons: #PrayForOklahoma

Russell Simmons: #PrayForOklahoma

17. Amber Riley: “Thoughts and prayers for Oklahoma, so tragic.”

Amber Riley: “Thoughts and prayers for Oklahoma, so tragic.”

18. Beyonce: posted ❤ with this photo

Beyonce: posted ❤ with this photo

19. Khloé Kardashian Odom: “My heart is breaking for Oklahoma!!!! Please Lord please send your angels to heal and protect these families!!!”

Khloé Kardashian Odom: "My heart is breaking for Oklahoma!!!! Please Lord please send your angels to heal and protect these families!!!"

20. Barbara Walters: “My heart goes out to Oklahoma tonight. Keeping you all in my thoughts.”

Barbara Walters: "My heart goes out to Oklahoma tonight. Keeping you all in my thoughts."

21. Ellen DeGeneres: “I just want to send my love to anyone who lives in the path of these storms. First Texas, now Oklahoma. You’re all in our thoughts.”

Ellen DeGeneres: "I just want to send my love to anyone who lives in the path of these storms. First Texas, now Oklahoma. You're all in our thoughts."

22. Rihanna posted support via Instagram