The announcement follows increasing pressure on Ms Christensen after a string of poor performances by Norfolk's Children's Services.
An Ofsted report into the authority's safeguarding of children in February rated the service as inadequate across the board and branded it "inconsistent and patchy".
And ongoing poor performances at the county's schools led to the first ever local education authority inspection by the watchdog earlier this month to find out what had gone wrong.
More top news
Retailers are still hoping to clock up record Black Friday sales despite a slow start to the heavily discounted shopping day.
It will be breezy and overcast today will patchy drizzle at times
A year after the Duchess of Cambridge launched a £10 million appeal for a new hospice, it's been revealed £2 million has already been raised