After topping the UK charts with her album N.B. and its two lead singles - 'I Wanna Have Your Babies' and 'Soulmate' - Bedingfield scored support slots with Justin Timberlake and also had a significant impact on the US Billboard slots.
In order to capitalise on the opening in the US, her UK/Ireland tour has been moved from September/October to February/March.
Her 2 September show at Belfast's Mandela Hall is now moved to 15 February 2008, with the Dublin date at Vicar Street moved from 2 September to 16 February 2008.
Tickets for the original dates will be valid for the new ones, and those who can't attend the rescheduled shows can get refunds from points of purchase.
Remaining tickets are available from Ticketmaster, priced at €33.60.