Louise Daphne Bagshawe was born on 28 June 1971 in England, UK. She attended local all-girls Catholic schools near her family home in Surrey, before going to Oxford University in 1989. After graduating with a degree in Anglo Saxon and Norse, she worked as press officer with EMI records and then as a marketing official with Sony Music. On her 22nd birthday, her passion for writing was realised with a major publishing deal as Louise Bagshawe. She is the author of more than fifteen novels, published in more than eight languages. She is sister of the also writer Tilly Bagshawe.

Louise married Anthony LoCicero, and they had three children, but since June 2011, she is married with her second husband Peter Mensch. She lives in Northamptonshire with her family, and has been the Parliamentary Candidate for Corby and East Northants since November 2006, and became the Member of Parliament for Corby after winning the seat at the 2010 general election.