Heidi Klum to talk about divorce on TV show

London: Supermodel Heidi Klum is set to open up about her marriage split from Seal in her first sit-down TV interview since their break-up.

The German star will talk about her marriage and divorce from the singer on US newswoman Katie Couric`s new daytime show, and will reveal that the union wasn`t as happy as people thought it was, reported Daily Star.

"People always saw us, like, laughing and smiling, but it`s not always like that," Klum said.