London, Aug 7 :  Singer Jessie J is transforming her image and trying to get a more polished look.

The 24-year-old has split from long-term collaborator Karl Willett, who recently styled her video and dressed her during her time as a judge on "The Voice". Now she is working with Cobbie Yates, the brother of radio DJ Reggie Yates.

"Jessie has worked with Karl for a long time but she decided it's time for a change and she gave him the elbow," mirror.co.uk quoted a source as saying.

"They used to work really well together. Jessie even wanted Karl to dress her contestants on 'The Voice' at one point, because she wasn't happy with the style team on the show."

"But now they have gone their separate ways. He sent out an email last week confirming to all his fashion contacts that they are no longer working together, because there had been a lot of rumours flying around the industry," said the source.

© IANS