Paris Hilton is to release a diary documenting her time in jail.

The hotel heiress is currently imprisoned in Century Regional Detention Centre in California, serving a 23-day sentence.

According to experts the diary will fetch in excess of $1 million (¡ê500,000) and is already at the centre of a bidding war between a number of magazines and television shows.

A source told the Daily Star: "Paris¡¯s jail diary will make a dramatic read. If she can make it believable and not exaggerate too much she can expect to make a fortune

"And when she gets out it¡¯s the story everyone will want ¨C how the pampered rich girl coped with life behind bars."