This is actress Madiha Kamal playing the role of Shawader the bellydancer in the 1990 Egyptian film of the same name (شوادر ). Shawader is a dancer who has set her sights on the wealthy, elderly Abdel Gawad (Kamal al Shinnawi) despite the fact that he’s already married and has adult children. Abdel Gawad divorces his wife who then dies of a broken heart, then he marries Shawader. His children attempt to poison Shawader but Abdel Gawad eats the poisoned dish.
Trivia: the man who gets up onstage to dance with her is played by Nabel el Hawari.