Pride Of Britain Awards. The 38-year-old actress, who is expecting her second child with husband Tom Pitfield, glowed on the red carpet at The Grosvenor House Hotel, wearing a white sequinned gown.
The former Coronation Street star wowed in the showstopping number, which boasted mesh detailing and a flowy trail that fell to the floor.
Catherine is set to be a mother for a second time, already sharing a six-year-old son Alfie with her husband-of-five years, Tom.
Earlier this month, the actress revealed the news to HELLO! magazine, admitting she 'burst into tears' when she found out she was pregnant for the second time. 'We're absolutely elated.