London Fashion Week LFW begins

On the eve of London Fashion Week, the event is described as a glamorous trade show that significantly impacts the British economy, worth 26 billion. It showcases British talent and sets trends for the upcoming season. A charity event, Fashion for Relief, organized by Naomi Campbell, features celebrities walking to raise funds for Ebola relief. The relaxed atmosphere allows even Naomi Campbell to enjoy the event. Celebrities like Alesha Dixon and Pixie Lott participate, with a performance by Ella Eyre concluding the evening. The focus of this Fashion Week is to elevate lesser-known designers, potentially boosting both the British and global economies.

Which celebrities participated in the event mentioned in the text?

What is the focus of this particular London Fashion Week?