R&B Singer Vesta Williams Dies in L.A. Hotel Room

9/23/2011 7:00 AM PDT

R&B singer Vesta Williams -- best known for her 1989 hit "Congratulations" -- was found dead in an L.A. hotel room yesterday ... TMZ has confirmed.

Loads of Vesta's celebrity friends have posted messages on Twitter about the news -- including actress Jackeé Harry who wrote, "...just received truly devastating news: R&B great, and my friend of many yrs, Vesta Williams (@vesta4u), has passed away. #RIPVesta"

53-year-old Williams had a string of R&B hits in the 80s and 90s including "Once Bitten, Twice Shy" and "You Make Me Want To (Love Again)."

10:12 AM: Law enforcement sources tell us ... Vesta was discovered in a hotel in El Segundo. We're told officials do not believe foul play is suspected.