The National Transformation 2050 (TN50) dialogue with artistes last night may have been marred by a slapping incident, but it had a light hearted moment as well.

The dialogue had its gleeful moment when moderator Rosyam Nor teased Prime Minister Najib Abdul Razak about his love for his wife Rosmah Mansor.

"I want to ask, if I may. What did you like about Datin Seri (Rosmah) before? What was it? How did you fall in love?" Rosyam asked, leaving the crowd in stitches.

Without missing a beat, Najib calmly said "I don't know. She had her allures..."