Who are the Britain's Got Talent 2015 semi-finalists?

Peter Lambert

The 32-year-old circus performer from Sussex performed multiple talents at once including unicycling, plate-spinning and knife juggling. Peter revealed his parents' house has seen plenty of breakages thanks to his rehearsals but his enthusiasm is infectious and he earned four yeses.

Hoola

Lisa Sampson

Lisa Sampson is a self-taught hoola hoop performer whose personality was as captivating as her performance. The judges loved her look and gave her four yeses after her first audition.

Martial Arts

Jesse Jane McParland

Jesse, 9, from Northern Ireland shocked the judges with her spectacular martial arts performance. Simon asked her: “Do you want a job as my security guard?”