The Sunday Telegraph is reporting that Karl Stefanovic has split from his wife of 21 years, Cassandra Thorburn.

The Today Show host is believed to have moved out of his home he shares with Thorburn and their three children, and is now staying at close mates James Packer’s Bondi apartment.

Previously, Stefanovic spoke how Thorburn gave up her promising career at the ABC to raise their children.

Friends and family of the couple are reportedly stunned by the separation. However, they are trying to work out their marriage.

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